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Finding the Fourth Proportional to 58,785.62, 81,124.07 and 31,928.13

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Solution

The fourth proportional to 58,785.62, 81,124.07 and 31,928.13 is: 44,060.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,785.62 : 81,124.07 = 31,928.13 : x
  2. Step 2: Convert to fraction form
    58,785.62/81,124.07 = 31,928.13/x
  3. Step 3: Cross multiply
    58,785.62x = 81,124.07 × 31,928.13
  4. Step 4: Simplify right side
    58,785.62x = 2,590,139,693.45
  5. Step 5: Solve for x
    x = 2,590,139,693.45/58,785.62
  6. Step 6: Final answer
    x = 44,060.77

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