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Finding the Fourth Proportional to 58,585.93, 80,848.13 and 31,727.81

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Solution

The fourth proportional to 58,585.93, 80,848.13 and 31,727.81 is: 43,784.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,585.93 : 80,848.13 = 31,727.81 : x
  2. Step 2: Convert to fraction form
    58,585.93/80,848.13 = 31,727.81/x
  3. Step 3: Cross multiply
    58,585.93x = 80,848.13 × 31,727.81
  4. Step 4: Simplify right side
    58,585.93x = 2,565,134,150.98
  5. Step 5: Solve for x
    x = 2,565,134,150.98/58,585.93
  6. Step 6: Final answer
    x = 43,784.13

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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.