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Finding the Fourth Proportional to 8,754.48, 12,069 and 6,888.24

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Solution

The fourth proportional to 8,754.48, 12,069 and 6,888.24 is: 9,496.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754.48 : 12,069 = 6,888.24 : x
  2. Step 2: Convert to fraction form
    8,754.48/12,069 = 6,888.24/x
  3. Step 3: Cross multiply
    8,754.48x = 12,069 × 6,888.24
  4. Step 4: Simplify right side
    8,754.48x = 83,134,168.56
  5. Step 5: Solve for x
    x = 83,134,168.56/8,754.48
  6. Step 6: Final answer
    x = 9,496.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.