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Finding the Fourth Proportional to 66,281.40, 99,484.56 and 24,202.20

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Solution

The fourth proportional to 66,281.40, 99,484.56 and 24,202.20 is: 36,326.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,281.40 : 99,484.56 = 24,202.20 : x
  2. Step 2: Convert to fraction form
    66,281.40/99,484.56 = 24,202.20/x
  3. Step 3: Cross multiply
    66,281.40x = 99,484.56 × 24,202.20
  4. Step 4: Simplify right side
    66,281.40x = 2,407,745,218.03
  5. Step 5: Solve for x
    x = 2,407,745,218.03/66,281.40
  6. Step 6: Final answer
    x = 36,326.11

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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.