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Finding the Fourth Proportional to 6,492.47, 8,959.55 and 3,659.85

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Solution

The fourth proportional to 6,492.47, 8,959.55 and 3,659.85 is: 5,050.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,492.47 : 8,959.55 = 3,659.85 : x
  2. Step 2: Convert to fraction form
    6,492.47/8,959.55 = 3,659.85/x
  3. Step 3: Cross multiply
    6,492.47x = 8,959.55 × 3,659.85
  4. Step 4: Simplify right side
    6,492.47x = 32,790,590.77
  5. Step 5: Solve for x
    x = 32,790,590.77/6,492.47
  6. Step 6: Final answer
    x = 5,050.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.