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Finding the Fourth Proportional to 48,614.30, 72,921.45 and 26,419.10

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Solution

The fourth proportional to 48,614.30, 72,921.45 and 26,419.10 is: 39,628.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,614.30 : 72,921.45 = 26,419.10 : x
  2. Step 2: Convert to fraction form
    48,614.30/72,921.45 = 26,419.10/x
  3. Step 3: Cross multiply
    48,614.30x = 72,921.45 × 26,419.10
  4. Step 4: Simplify right side
    48,614.30x = 1,926,519,079.70
  5. Step 5: Solve for x
    x = 1,926,519,079.70/48,614.30
  6. Step 6: Final answer
    x = 39,628.65

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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.