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Finding the Fourth Proportional to 24,187.56, 36,287.90 and 10,140.20

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Solution

The fourth proportional to 24,187.56, 36,287.90 and 10,140.20 is: 15,213.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,187.56 : 36,287.90 = 10,140.20 : x
  2. Step 2: Convert to fraction form
    24,187.56/36,287.90 = 10,140.20/x
  3. Step 3: Cross multiply
    24,187.56x = 36,287.90 × 10,140.20
  4. Step 4: Simplify right side
    24,187.56x = 367,966,563.58
  5. Step 5: Solve for x
    x = 367,966,563.58/24,187.56
  6. Step 6: Final answer
    x = 15,213.05

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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.