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Finding the Fourth Proportional to 6,642.90, 9,965.88 and 2,482.92

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Solution

The fourth proportional to 6,642.90, 9,965.88 and 2,482.92 is: 3,724.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642.90 : 9,965.88 = 2,482.92 : x
  2. Step 2: Convert to fraction form
    6,642.90/9,965.88 = 2,482.92/x
  3. Step 3: Cross multiply
    6,642.90x = 9,965.88 × 2,482.92
  4. Step 4: Simplify right side
    6,642.90x = 24,744,482.77
  5. Step 5: Solve for x
    x = 24,744,482.77/6,642.90
  6. Step 6: Final answer
    x = 3,724.95

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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.