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Finding the Fourth Proportional to 61,938.62, 92,907.90 and 17,565.74

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Solution

The fourth proportional to 61,938.62, 92,907.90 and 17,565.74 is: 26,348.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,938.62 : 92,907.90 = 17,565.74 : x
  2. Step 2: Convert to fraction form
    61,938.62/92,907.90 = 17,565.74/x
  3. Step 3: Cross multiply
    61,938.62x = 92,907.90 × 17,565.74
  4. Step 4: Simplify right side
    61,938.62x = 1,631,996,015.35
  5. Step 5: Solve for x
    x = 1,631,996,015.35/61,938.62
  6. Step 6: Final answer
    x = 26,348.60

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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.