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Finding the Fourth Proportional to 58,792.74, 81,114 and 38,648.04

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Solution

The fourth proportional to 58,792.74, 81,114 and 38,648.04 is: 53,321.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,792.74 : 81,114 = 38,648.04 : x
  2. Step 2: Convert to fraction form
    58,792.74/81,114 = 38,648.04/x
  3. Step 3: Cross multiply
    58,792.74x = 81,114 × 38,648.04
  4. Step 4: Simplify right side
    58,792.74x = 3,134,897,116.56
  5. Step 5: Solve for x
    x = 3,134,897,116.56/58,792.74
  6. Step 6: Final answer
    x = 53,321.16

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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.