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Finding the Fourth Proportional to 8,707.32, 13,060.98 and 6,868.17

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Solution

The fourth proportional to 8,707.32, 13,060.98 and 6,868.17 is: 10,302.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707.32 : 13,060.98 = 6,868.17 : x
  2. Step 2: Convert to fraction form
    8,707.32/13,060.98 = 6,868.17/x
  3. Step 3: Cross multiply
    8,707.32x = 13,060.98 × 6,868.17
  4. Step 4: Simplify right side
    8,707.32x = 89,705,031.01
  5. Step 5: Solve for x
    x = 89,705,031.01/8,707.32
  6. Step 6: Final answer
    x = 10,302.26

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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.