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Finding the Fourth Proportional to 54,988.83, 82,487.88 and 17,554.25

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Solution

The fourth proportional to 54,988.83, 82,487.88 and 17,554.25 is: 26,332.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,988.83 : 82,487.88 = 17,554.25 : x
  2. Step 2: Convert to fraction form
    54,988.83/82,487.88 = 17,554.25/x
  3. Step 3: Cross multiply
    54,988.83x = 82,487.88 × 17,554.25
  4. Step 4: Simplify right side
    54,988.83x = 1,448,013,073.71
  5. Step 5: Solve for x
    x = 1,448,013,073.71/54,988.83
  6. Step 6: Final answer
    x = 26,332.86

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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.