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Finding the Fourth Proportional to 8,523.95, 12,787.65 and 3,593.59

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Solution

The fourth proportional to 8,523.95, 12,787.65 and 3,593.59 is: 5,391.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,523.95 : 12,787.65 = 3,593.59 : x
  2. Step 2: Convert to fraction form
    8,523.95/12,787.65 = 3,593.59/x
  3. Step 3: Cross multiply
    8,523.95x = 12,787.65 × 3,593.59
  4. Step 4: Simplify right side
    8,523.95x = 45,953,539.19
  5. Step 5: Solve for x
    x = 45,953,539.19/8,523.95
  6. Step 6: Final answer
    x = 5,391.11

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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.