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Finding the Fourth Proportional to 58,513.86, 87,858.27 and 56,472.66

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Solution

The fourth proportional to 58,513.86, 87,858.27 and 56,472.66 is: 84,793.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,513.86 : 87,858.27 = 56,472.66 : x
  2. Step 2: Convert to fraction form
    58,513.86/87,858.27 = 56,472.66/x
  3. Step 3: Cross multiply
    58,513.86x = 87,858.27 × 56,472.66
  4. Step 4: Simplify right side
    58,513.86x = 4,961,590,209.90
  5. Step 5: Solve for x
    x = 4,961,590,209.90/58,513.86
  6. Step 6: Final answer
    x = 84,793.42

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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.