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Finding the Fourth Proportional to 45,199.80, 67,799.70 and 29,453.40

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Solution

The fourth proportional to 45,199.80, 67,799.70 and 29,453.40 is: 44,180.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,199.80 : 67,799.70 = 29,453.40 : x
  2. Step 2: Convert to fraction form
    45,199.80/67,799.70 = 29,453.40/x
  3. Step 3: Cross multiply
    45,199.80x = 67,799.70 × 29,453.40
  4. Step 4: Simplify right side
    45,199.80x = 1,996,931,683.98
  5. Step 5: Solve for x
    x = 1,996,931,683.98/45,199.80
  6. Step 6: Final answer
    x = 44,180.10

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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.