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Finding the Fourth Proportional to 10,393.66, 15,502.85 and 10,082.44

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Solution

The fourth proportional to 10,393.66, 15,502.85 and 10,082.44 is: 15,038.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,393.66 : 15,502.85 = 10,082.44 : x
  2. Step 2: Convert to fraction form
    10,393.66/15,502.85 = 10,082.44/x
  3. Step 3: Cross multiply
    10,393.66x = 15,502.85 × 10,082.44
  4. Step 4: Simplify right side
    10,393.66x = 156,306,554.95
  5. Step 5: Solve for x
    x = 156,306,554.95/10,393.66
  6. Step 6: Final answer
    x = 15,038.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.