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Finding the Fourth Proportional to 15,082.80, 22,594.76 and 9,872.88

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Solution

The fourth proportional to 15,082.80, 22,594.76 and 9,872.88 is: 14,790.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,082.80 : 22,594.76 = 9,872.88 : x
  2. Step 2: Convert to fraction form
    15,082.80/22,594.76 = 9,872.88/x
  3. Step 3: Cross multiply
    15,082.80x = 22,594.76 × 9,872.88
  4. Step 4: Simplify right side
    15,082.80x = 223,075,354.11
  5. Step 5: Solve for x
    x = 223,075,354.11/15,082.80
  6. Step 6: Final answer
    x = 14,790.05

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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.