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Finding the Fourth Proportional to 58,652.52, 87,978.84 and 14,278.92

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Solution

The fourth proportional to 58,652.52, 87,978.84 and 14,278.92 is: 21,418.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,652.52 : 87,978.84 = 14,278.92 : x
  2. Step 2: Convert to fraction form
    58,652.52/87,978.84 = 14,278.92/x
  3. Step 3: Cross multiply
    58,652.52x = 87,978.84 × 14,278.92
  4. Step 4: Simplify right side
    58,652.52x = 1,256,242,818.05
  5. Step 5: Solve for x
    x = 1,256,242,818.05/58,652.52
  6. Step 6: Final answer
    x = 21,418.39

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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.