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Finding the Fourth Proportional to 58,755.13, 88,123.57 and 19,311.98

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Solution

The fourth proportional to 58,755.13, 88,123.57 and 19,311.98 is: 28,964.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,755.13 : 88,123.57 = 19,311.98 : x
  2. Step 2: Convert to fraction form
    58,755.13/88,123.57 = 19,311.98/x
  3. Step 3: Cross multiply
    58,755.13x = 88,123.57 × 19,311.98
  4. Step 4: Simplify right side
    58,755.13x = 1,701,840,132.47
  5. Step 5: Solve for x
    x = 1,701,840,132.47/58,755.13
  6. Step 6: Final answer
    x = 28,964.96

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1.5x scale

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.