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Finding the Fourth Proportional to 36,470.56, 54,645.84 and 15,393.28

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Solution

The fourth proportional to 36,470.56, 54,645.84 and 15,393.28 is: 23,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,470.56 : 54,645.84 = 15,393.28 : x
  2. Step 2: Convert to fraction form
    36,470.56/54,645.84 = 15,393.28/x
  3. Step 3: Cross multiply
    36,470.56x = 54,645.84 × 15,393.28
  4. Step 4: Simplify right side
    36,470.56x = 841,178,715.96
  5. Step 5: Solve for x
    x = 841,178,715.96/36,470.56
  6. Step 6: Final answer
    x = 23,064.60

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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.