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Finding the Fourth Proportional to 8,187.52, 12,264.03 and 3,748.93

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Solution

The fourth proportional to 8,187.52, 12,264.03 and 3,748.93 is: 5,615.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187.52 : 12,264.03 = 3,748.93 : x
  2. Step 2: Convert to fraction form
    8,187.52/12,264.03 = 3,748.93/x
  3. Step 3: Cross multiply
    8,187.52x = 12,264.03 × 3,748.93
  4. Step 4: Simplify right side
    8,187.52x = 45,976,989.99
  5. Step 5: Solve for x
    x = 45,976,989.99/8,187.52
  6. Step 6: Final answer
    x = 5,615.50

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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.