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Finding the Fourth Proportional to 6,146.53, 9,219.80 and 1,529.53

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Solution

The fourth proportional to 6,146.53, 9,219.80 and 1,529.53 is: 2,294.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,146.53 : 9,219.80 = 1,529.53 : x
  2. Step 2: Convert to fraction form
    6,146.53/9,219.80 = 1,529.53/x
  3. Step 3: Cross multiply
    6,146.53x = 9,219.80 × 1,529.53
  4. Step 4: Simplify right side
    6,146.53x = 14,101,960.69
  5. Step 5: Solve for x
    x = 14,101,960.69/6,146.53
  6. Step 6: Final answer
    x = 2,294.30

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Double scale
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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.