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Finding the Fourth Proportional to 58,748.87, 88,104.65 and 19,296.80

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Solution

The fourth proportional to 58,748.87, 88,104.65 and 19,296.80 is: 28,939.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,748.87 : 88,104.65 = 19,296.80 : x
  2. Step 2: Convert to fraction form
    58,748.87/88,104.65 = 19,296.80/x
  3. Step 3: Cross multiply
    58,748.87x = 88,104.65 × 19,296.80
  4. Step 4: Simplify right side
    58,748.87x = 1,700,137,713.64
  5. Step 5: Solve for x
    x = 1,700,137,713.64/58,748.87
  6. Step 6: Final answer
    x = 28,939.07

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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.