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Finding the Fourth Proportional to 61,792.74, 85,275.98 and 34,197.70

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Solution

The fourth proportional to 61,792.74, 85,275.98 and 34,197.70 is: 47,193.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,792.74 : 85,275.98 = 34,197.70 : x
  2. Step 2: Convert to fraction form
    61,792.74/85,275.98 = 34,197.70/x
  3. Step 3: Cross multiply
    61,792.74x = 85,275.98 × 34,197.70
  4. Step 4: Simplify right side
    61,792.74x = 2,916,242,381.25
  5. Step 5: Solve for x
    x = 2,916,242,381.25/61,792.74
  6. Step 6: Final answer
    x = 47,193.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.