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Finding the Fourth Proportional to 8,959.53, 13,439.05 and 2,385.77

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Solution

The fourth proportional to 8,959.53, 13,439.05 and 2,385.77 is: 3,578.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,959.53 : 13,439.05 = 2,385.77 : x
  2. Step 2: Convert to fraction form
    8,959.53/13,439.05 = 2,385.77/x
  3. Step 3: Cross multiply
    8,959.53x = 13,439.05 × 2,385.77
  4. Step 4: Simplify right side
    8,959.53x = 32,062,509.95
  5. Step 5: Solve for x
    x = 32,062,509.95/8,959.53
  6. Step 6: Final answer
    x = 3,578.59

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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.