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Finding the Fourth Proportional to 58,654.64, 87,983.04 and 14,281.76

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Solution

The fourth proportional to 58,654.64, 87,983.04 and 14,281.76 is: 21,422.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,654.64 : 87,983.04 = 14,281.76 : x
  2. Step 2: Convert to fraction form
    58,654.64/87,983.04 = 14,281.76/x
  3. Step 3: Cross multiply
    58,654.64x = 87,983.04 × 14,281.76
  4. Step 4: Simplify right side
    58,654.64x = 1,256,552,661.35
  5. Step 5: Solve for x
    x = 1,256,552,661.35/58,654.64
  6. Step 6: Final answer
    x = 21,422.90

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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.