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Finding the Fourth Proportional to 29,785.20, 44,677.80 and 10,064.40

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Solution

The fourth proportional to 29,785.20, 44,677.80 and 10,064.40 is: 15,096.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,785.20 : 44,677.80 = 10,064.40 : x
  2. Step 2: Convert to fraction form
    29,785.20/44,677.80 = 10,064.40/x
  3. Step 3: Cross multiply
    29,785.20x = 44,677.80 × 10,064.40
  4. Step 4: Simplify right side
    29,785.20x = 449,655,250.32
  5. Step 5: Solve for x
    x = 449,655,250.32/29,785.20
  6. Step 6: Final answer
    x = 15,096.60

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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.