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Finding the Fourth Proportional to 2,316.36, 3,473.40 and 776.28

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Solution

The fourth proportional to 2,316.36, 3,473.40 and 776.28 is: 1,164.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.36 : 3,473.40 = 776.28 : x
  2. Step 2: Convert to fraction form
    2,316.36/3,473.40 = 776.28/x
  3. Step 3: Cross multiply
    2,316.36x = 3,473.40 × 776.28
  4. Step 4: Simplify right side
    2,316.36x = 2,696,330.95
  5. Step 5: Solve for x
    x = 2,696,330.95/2,316.36
  6. Step 6: Final answer
    x = 1,164.04

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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.