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Finding the Fourth Proportional to 39,642, 59,463.87 and 15,951.93

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Solution

The fourth proportional to 39,642, 59,463.87 and 15,951.93 is: 23,928.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,642 : 59,463.87 = 15,951.93 : x
  2. Step 2: Convert to fraction form
    39,642/59,463.87 = 15,951.93/x
  3. Step 3: Cross multiply
    39,642x = 59,463.87 × 15,951.93
  4. Step 4: Simplify right side
    39,642x = 948,563,491.77
  5. Step 5: Solve for x
    x = 948,563,491.77/39,642
  6. Step 6: Final answer
    x = 23,928.25

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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.