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Finding the Fourth Proportional to 47,999.76, 72,000.68 and 14,719.10

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Solution

The fourth proportional to 47,999.76, 72,000.68 and 14,719.10 is: 22,078.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,999.76 : 72,000.68 = 14,719.10 : x
  2. Step 2: Convert to fraction form
    47,999.76/72,000.68 = 14,719.10/x
  3. Step 3: Cross multiply
    47,999.76x = 72,000.68 × 14,719.10
  4. Step 4: Simplify right side
    47,999.76x = 1,059,784,775.39
  5. Step 5: Solve for x
    x = 1,059,784,775.39/47,999.76
  6. Step 6: Final answer
    x = 22,078.96

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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.