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Finding the Fourth Proportional to 62,742.92, 86,547.16 and 37,232.48

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Solution

The fourth proportional to 62,742.92, 86,547.16 and 37,232.48 is: 51,358.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,742.92 : 86,547.16 = 37,232.48 : x
  2. Step 2: Convert to fraction form
    62,742.92/86,547.16 = 37,232.48/x
  3. Step 3: Cross multiply
    62,742.92x = 86,547.16 × 37,232.48
  4. Step 4: Simplify right side
    62,742.92x = 3,222,365,403.76
  5. Step 5: Solve for x
    x = 3,222,365,403.76/62,742.92
  6. Step 6: Final answer
    x = 51,358.23

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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.