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Finding the Fourth Proportional to 8,592.60, 12,888.90 and 2,352.66

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Solution

The fourth proportional to 8,592.60, 12,888.90 and 2,352.66 is: 3,528.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,592.60 : 12,888.90 = 2,352.66 : x
  2. Step 2: Convert to fraction form
    8,592.60/12,888.90 = 2,352.66/x
  3. Step 3: Cross multiply
    8,592.60x = 12,888.90 × 2,352.66
  4. Step 4: Simplify right side
    8,592.60x = 30,323,199.47
  5. Step 5: Solve for x
    x = 30,323,199.47/8,592.60
  6. Step 6: Final answer
    x = 3,528.99

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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.