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Finding the Fourth Proportional to 67,084.64, 100,484.80 and 45,925.42

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Solution

The fourth proportional to 67,084.64, 100,484.80 and 45,925.42 is: 68,790.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,084.64 : 100,484.80 = 45,925.42 : x
  2. Step 2: Convert to fraction form
    67,084.64/100,484.80 = 45,925.42/x
  3. Step 3: Cross multiply
    67,084.64x = 100,484.80 × 45,925.42
  4. Step 4: Simplify right side
    67,084.64x = 4,614,806,643.62
  5. Step 5: Solve for x
    x = 4,614,806,643.62/67,084.64
  6. Step 6: Final answer
    x = 68,790.81

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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.