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Finding the Fourth Proportional to 47,877.90, 71,816.88 and 22,912.08

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Solution

The fourth proportional to 47,877.90, 71,816.88 and 22,912.08 is: 34,368.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,877.90 : 71,816.88 = 22,912.08 : x
  2. Step 2: Convert to fraction form
    47,877.90/71,816.88 = 22,912.08/x
  3. Step 3: Cross multiply
    47,877.90x = 71,816.88 × 22,912.08
  4. Step 4: Simplify right side
    47,877.90x = 1,645,474,099.91
  5. Step 5: Solve for x
    x = 1,645,474,099.91/47,877.90
  6. Step 6: Final answer
    x = 34,368.13

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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.