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Finding the Fourth Proportional to 58,337.64, 87,417.29 and 39,291.84

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Solution

The fourth proportional to 58,337.64, 87,417.29 and 39,291.84 is: 58,877.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,337.64 : 87,417.29 = 39,291.84 : x
  2. Step 2: Convert to fraction form
    58,337.64/87,417.29 = 39,291.84/x
  3. Step 3: Cross multiply
    58,337.64x = 87,417.29 × 39,291.84
  4. Step 4: Simplify right side
    58,337.64x = 3,434,786,171.91
  5. Step 5: Solve for x
    x = 3,434,786,171.91/58,337.64
  6. Step 6: Final answer
    x = 58,877.70

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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.