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Finding the Fourth Proportional to 24,990.40, 37,502.88 and 9,421.12

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Solution

The fourth proportional to 24,990.40, 37,502.88 and 9,421.12 is: 14,138.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,990.40 : 37,502.88 = 9,421.12 : x
  2. Step 2: Convert to fraction form
    24,990.40/37,502.88 = 9,421.12/x
  3. Step 3: Cross multiply
    24,990.40x = 37,502.88 × 9,421.12
  4. Step 4: Simplify right side
    24,990.40x = 353,319,132.83
  5. Step 5: Solve for x
    x = 353,319,132.83/24,990.40
  6. Step 6: Final answer
    x = 14,138.19

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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.