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Finding the Fourth Proportional to 45,882.60, 68,714.55 and 45,882.60

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Solution

The fourth proportional to 45,882.60, 68,714.55 and 45,882.60 is: 68,714.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,882.60 : 68,714.55 = 45,882.60 : x
  2. Step 2: Convert to fraction form
    45,882.60/68,714.55 = 45,882.60/x
  3. Step 3: Cross multiply
    45,882.60x = 68,714.55 × 45,882.60
  4. Step 4: Simplify right side
    45,882.60x = 3,152,802,211.83
  5. Step 5: Solve for x
    x = 3,152,802,211.83/45,882.60
  6. Step 6: Final answer
    x = 68,714.55

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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.