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Finding the Fourth Proportional to 42,531, 63,775.04 and 24,767.40

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Solution

The fourth proportional to 42,531, 63,775.04 and 24,767.40 is: 37,138.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,531 : 63,775.04 = 24,767.40 : x
  2. Step 2: Convert to fraction form
    42,531/63,775.04 = 24,767.40/x
  3. Step 3: Cross multiply
    42,531x = 63,775.04 × 24,767.40
  4. Step 4: Simplify right side
    42,531x = 1,579,541,925.70
  5. Step 5: Solve for x
    x = 1,579,541,925.70/42,531
  6. Step 6: Final answer
    x = 37,138.60

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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.