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Finding the Fourth Proportional to 8,888.32, 13,252.80 and 8,545.92

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Solution

The fourth proportional to 8,888.32, 13,252.80 and 8,545.92 is: 12,742.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,888.32 : 13,252.80 = 8,545.92 : x
  2. Step 2: Convert to fraction form
    8,888.32/13,252.80 = 8,545.92/x
  3. Step 3: Cross multiply
    8,888.32x = 13,252.80 × 8,545.92
  4. Step 4: Simplify right side
    8,888.32x = 113,257,368.58
  5. Step 5: Solve for x
    x = 113,257,368.58/8,888.32
  6. Step 6: Final answer
    x = 12,742.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.