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Finding the Fourth Proportional to 15,082.61, 22,615.61 and 8,070.84

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Solution

The fourth proportional to 15,082.61, 22,615.61 and 8,070.84 is: 12,101.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,082.61 : 22,615.61 = 8,070.84 : x
  2. Step 2: Convert to fraction form
    15,082.61/22,615.61 = 8,070.84/x
  3. Step 3: Cross multiply
    15,082.61x = 22,615.61 × 8,070.84
  4. Step 4: Simplify right side
    15,082.61x = 182,526,929.46
  5. Step 5: Solve for x
    x = 182,526,929.46/15,082.61
  6. Step 6: Final answer
    x = 12,101.82

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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.