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Finding the Fourth Proportional to 48,207.60, 64,872.90 and 48,207.60

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Solution

The fourth proportional to 48,207.60, 64,872.90 and 48,207.60 is: 64,872.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,207.60 : 64,872.90 = 48,207.60 : x
  2. Step 2: Convert to fraction form
    48,207.60/64,872.90 = 48,207.60/x
  3. Step 3: Cross multiply
    48,207.60x = 64,872.90 × 48,207.60
  4. Step 4: Simplify right side
    48,207.60x = 3,127,366,814.04
  5. Step 5: Solve for x
    x = 3,127,366,814.04/48,207.60
  6. Step 6: Final answer
    x = 64,872.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.