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Finding the Fourth Proportional to 3,670.07, 5,504.99 and 896.76

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Solution

The fourth proportional to 3,670.07, 5,504.99 and 896.76 is: 1,345.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.07 : 5,504.99 = 896.76 : x
  2. Step 2: Convert to fraction form
    3,670.07/5,504.99 = 896.76/x
  3. Step 3: Cross multiply
    3,670.07x = 5,504.99 × 896.76
  4. Step 4: Simplify right side
    3,670.07x = 4,936,654.83
  5. Step 5: Solve for x
    x = 4,936,654.83/3,670.07
  6. Step 6: Final answer
    x = 1,345.11

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,671.07, 5,506.49 and 897.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.