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Finding the Fourth Proportional to 14,675.52, 20,250.86 and 8,706.18

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Solution

The fourth proportional to 14,675.52, 20,250.86 and 8,706.18 is: 12,013.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,675.52 : 20,250.86 = 8,706.18 : x
  2. Step 2: Convert to fraction form
    14,675.52/20,250.86 = 8,706.18/x
  3. Step 3: Cross multiply
    14,675.52x = 20,250.86 × 8,706.18
  4. Step 4: Simplify right side
    14,675.52x = 176,307,632.31
  5. Step 5: Solve for x
    x = 176,307,632.31/14,675.52
  6. Step 6: Final answer
    x = 12,013.72

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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.