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Finding the Fourth Proportional to 62,988.47, 94,480.80 and 25,547.64

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Solution

The fourth proportional to 62,988.47, 94,480.80 and 25,547.64 is: 38,320.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,988.47 : 94,480.80 = 25,547.64 : x
  2. Step 2: Convert to fraction form
    62,988.47/94,480.80 = 25,547.64/x
  3. Step 3: Cross multiply
    62,988.47x = 94,480.80 × 25,547.64
  4. Step 4: Simplify right side
    62,988.47x = 2,413,761,465.31
  5. Step 5: Solve for x
    x = 2,413,761,465.31/62,988.47
  6. Step 6: Final answer
    x = 38,320.69

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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.