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Finding the Fourth Proportional to 60,671.35, 91,007.03 and 45,909.10

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Solution

The fourth proportional to 60,671.35, 91,007.03 and 45,909.10 is: 68,863.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,671.35 : 91,007.03 = 45,909.10 : x
  2. Step 2: Convert to fraction form
    60,671.35/91,007.03 = 45,909.10/x
  3. Step 3: Cross multiply
    60,671.35x = 91,007.03 × 45,909.10
  4. Step 4: Simplify right side
    60,671.35x = 4,178,050,611.43
  5. Step 5: Solve for x
    x = 4,178,050,611.43/60,671.35
  6. Step 6: Final answer
    x = 68,863.65

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Similar ratio
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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.