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Finding the Fourth Proportional to 61,938.79, 92,908.15 and 17,565.93

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Solution

The fourth proportional to 61,938.79, 92,908.15 and 17,565.93 is: 26,348.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,938.79 : 92,908.15 = 17,565.93 : x
  2. Step 2: Convert to fraction form
    61,938.79/92,908.15 = 17,565.93/x
  3. Step 3: Cross multiply
    61,938.79x = 92,908.15 × 17,565.93
  4. Step 4: Simplify right side
    61,938.79x = 1,632,018,059.33
  5. Step 5: Solve for x
    x = 1,632,018,059.33/61,938.79
  6. Step 6: Final answer
    x = 26,348.89

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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.