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Finding the Fourth Proportional to 58,507.86, 80,737.65 and 34,636.71

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Solution

The fourth proportional to 58,507.86, 80,737.65 and 34,636.71 is: 47,796.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,507.86 : 80,737.65 = 34,636.71 : x
  2. Step 2: Convert to fraction form
    58,507.86/80,737.65 = 34,636.71/x
  3. Step 3: Cross multiply
    58,507.86x = 80,737.65 × 34,636.71
  4. Step 4: Simplify right side
    58,507.86x = 2,796,486,569.13
  5. Step 5: Solve for x
    x = 2,796,486,569.13/58,507.86
  6. Step 6: Final answer
    x = 47,796.77

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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.