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Finding the Fourth Proportional to 28,562.40, 42,843.60 and 24,199.20

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Solution

The fourth proportional to 28,562.40, 42,843.60 and 24,199.20 is: 36,298.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,562.40 : 42,843.60 = 24,199.20 : x
  2. Step 2: Convert to fraction form
    28,562.40/42,843.60 = 24,199.20/x
  3. Step 3: Cross multiply
    28,562.40x = 42,843.60 × 24,199.20
  4. Step 4: Simplify right side
    28,562.40x = 1,036,780,845.12
  5. Step 5: Solve for x
    x = 1,036,780,845.12/28,562.40
  6. Step 6: Final answer
    x = 36,298.80

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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.