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Finding the Fourth Proportional to 57,748.95, 86,640.03 and 24,008.40

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Solution

The fourth proportional to 57,748.95, 86,640.03 and 24,008.40 is: 36,019.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,748.95 : 86,640.03 = 24,008.40 : x
  2. Step 2: Convert to fraction form
    57,748.95/86,640.03 = 24,008.40/x
  3. Step 3: Cross multiply
    57,748.95x = 86,640.03 × 24,008.40
  4. Step 4: Simplify right side
    57,748.95x = 2,080,088,496.25
  5. Step 5: Solve for x
    x = 2,080,088,496.25/57,748.95
  6. Step 6: Final answer
    x = 36,019.50

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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.