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Finding the Fourth Proportional to 45,659.60, 63,041.28 and 29,565.80

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Solution

The fourth proportional to 45,659.60, 63,041.28 and 29,565.80 is: 40,820.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,659.60 : 63,041.28 = 29,565.80 : x
  2. Step 2: Convert to fraction form
    45,659.60/63,041.28 = 29,565.80/x
  3. Step 3: Cross multiply
    45,659.60x = 63,041.28 × 29,565.80
  4. Step 4: Simplify right side
    45,659.60x = 1,863,865,876.22
  5. Step 5: Solve for x
    x = 1,863,865,876.22/45,659.60
  6. Step 6: Final answer
    x = 40,820.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.