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Finding the Fourth Proportional to 47,292.66, 70,938.99 and 14,013.20

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Solution

The fourth proportional to 47,292.66, 70,938.99 and 14,013.20 is: 21,019.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,292.66 : 70,938.99 = 14,013.20 : x
  2. Step 2: Convert to fraction form
    47,292.66/70,938.99 = 14,013.20/x
  3. Step 3: Cross multiply
    47,292.66x = 70,938.99 × 14,013.20
  4. Step 4: Simplify right side
    47,292.66x = 994,082,432.02
  5. Step 5: Solve for x
    x = 994,082,432.02/47,292.66
  6. Step 6: Final answer
    x = 21,019.80

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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.