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Finding the Fourth Proportional to 25,799.04, 38,700.72 and 9,168.12

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Solution

The fourth proportional to 25,799.04, 38,700.72 and 9,168.12 is: 13,752.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,799.04 : 38,700.72 = 9,168.12 : x
  2. Step 2: Convert to fraction form
    25,799.04/38,700.72 = 9,168.12/x
  3. Step 3: Cross multiply
    25,799.04x = 38,700.72 × 9,168.12
  4. Step 4: Simplify right side
    25,799.04x = 354,812,845.05
  5. Step 5: Solve for x
    x = 354,812,845.05/25,799.04
  6. Step 6: Final answer
    x = 13,752.95

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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.