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Finding the Fourth Proportional to 8,599.68, 12,865.92 and 7,551.36

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Solution

The fourth proportional to 8,599.68, 12,865.92 and 7,551.36 is: 11,297.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,599.68 : 12,865.92 = 7,551.36 : x
  2. Step 2: Convert to fraction form
    8,599.68/12,865.92 = 7,551.36/x
  3. Step 3: Cross multiply
    8,599.68x = 12,865.92 × 7,551.36
  4. Step 4: Simplify right side
    8,599.68x = 97,155,193.65
  5. Step 5: Solve for x
    x = 97,155,193.65/8,599.68
  6. Step 6: Final answer
    x = 11,297.54

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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.