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Finding the Fourth Proportional to 58,508.11, 87,849.65 and 56,466.91

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Solution

The fourth proportional to 58,508.11, 87,849.65 and 56,466.91 is: 84,784.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,508.11 : 87,849.65 = 56,466.91 : x
  2. Step 2: Convert to fraction form
    58,508.11/87,849.65 = 56,466.91/x
  3. Step 3: Cross multiply
    58,508.11x = 87,849.65 × 56,466.91
  4. Step 4: Simplify right side
    58,508.11x = 4,960,598,280.08
  5. Step 5: Solve for x
    x = 4,960,598,280.08/58,508.11
  6. Step 6: Final answer
    x = 84,784.80

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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.