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Finding the Fourth Proportional to 62,715.78, 86,547.56 and 34,035.57

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Solution

The fourth proportional to 62,715.78, 86,547.56 and 34,035.57 is: 46,968.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,715.78 : 86,547.56 = 34,035.57 : x
  2. Step 2: Convert to fraction form
    62,715.78/86,547.56 = 34,035.57/x
  3. Step 3: Cross multiply
    62,715.78x = 86,547.56 × 34,035.57
  4. Step 4: Simplify right side
    62,715.78x = 2,945,695,366.53
  5. Step 5: Solve for x
    x = 2,945,695,366.53/62,715.78
  6. Step 6: Final answer
    x = 46,968.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.