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Finding the Fourth Proportional to 8,502.24, 12,754.16 and 4,340.48

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Solution

The fourth proportional to 8,502.24, 12,754.16 and 4,340.48 is: 6,511.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,502.24 : 12,754.16 = 4,340.48 : x
  2. Step 2: Convert to fraction form
    8,502.24/12,754.16 = 4,340.48/x
  3. Step 3: Cross multiply
    8,502.24x = 12,754.16 × 4,340.48
  4. Step 4: Simplify right side
    8,502.24x = 55,359,176.40
  5. Step 5: Solve for x
    x = 55,359,176.40/8,502.24
  6. Step 6: Final answer
    x = 6,511.13

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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.