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Finding the Fourth Proportional to 14,534.58, 20,060.84 and 8,868.11

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Solution

The fourth proportional to 14,534.58, 20,060.84 and 8,868.11 is: 12,239.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,534.58 : 20,060.84 = 8,868.11 : x
  2. Step 2: Convert to fraction form
    14,534.58/20,060.84 = 8,868.11/x
  3. Step 3: Cross multiply
    14,534.58x = 20,060.84 × 8,868.11
  4. Step 4: Simplify right side
    14,534.58x = 177,901,689.16
  5. Step 5: Solve for x
    x = 177,901,689.16/14,534.58
  6. Step 6: Final answer
    x = 12,239.89

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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.