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Finding the Fourth Proportional to 58,491.86, 87,737.01 and 14,118.22

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Solution

The fourth proportional to 58,491.86, 87,737.01 and 14,118.22 is: 21,177.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,491.86 : 87,737.01 = 14,118.22 : x
  2. Step 2: Convert to fraction form
    58,491.86/87,737.01 = 14,118.22/x
  3. Step 3: Cross multiply
    58,491.86x = 87,737.01 × 14,118.22
  4. Step 4: Simplify right side
    58,491.86x = 1,238,690,137.04
  5. Step 5: Solve for x
    x = 1,238,690,137.04/58,491.86
  6. Step 6: Final answer
    x = 21,177.14

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1.5x scale

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.