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Finding the Fourth Proportional to 58,475.86, 87,719.31 and 16,355.93

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Solution

The fourth proportional to 58,475.86, 87,719.31 and 16,355.93 is: 24,535.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,475.86 : 87,719.31 = 16,355.93 : x
  2. Step 2: Convert to fraction form
    58,475.86/87,719.31 = 16,355.93/x
  3. Step 3: Cross multiply
    58,475.86x = 87,719.31 × 16,355.93
  4. Step 4: Simplify right side
    58,475.86x = 1,434,730,455.41
  5. Step 5: Solve for x
    x = 1,434,730,455.41/58,475.86
  6. Step 6: Final answer
    x = 24,535.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.