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Finding the Fourth Proportional to 52,385.68, 78,581.11 and 14,951.27

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Solution

The fourth proportional to 52,385.68, 78,581.11 and 14,951.27 is: 22,427.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,385.68 : 78,581.11 = 14,951.27 : x
  2. Step 2: Convert to fraction form
    52,385.68/78,581.11 = 14,951.27/x
  3. Step 3: Cross multiply
    52,385.68x = 78,581.11 × 14,951.27
  4. Step 4: Simplify right side
    52,385.68x = 1,174,887,392.51
  5. Step 5: Solve for x
    x = 1,174,887,392.51/52,385.68
  6. Step 6: Final answer
    x = 22,427.64

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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.