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Finding the Fourth Proportional to 7,651.67, 10,559.36 and 4,248.72

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Solution

The fourth proportional to 7,651.67, 10,559.36 and 4,248.72 is: 5,863.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,651.67 : 10,559.36 = 4,248.72 : x
  2. Step 2: Convert to fraction form
    7,651.67/10,559.36 = 4,248.72/x
  3. Step 3: Cross multiply
    7,651.67x = 10,559.36 × 4,248.72
  4. Step 4: Simplify right side
    7,651.67x = 44,863,774.64
  5. Step 5: Solve for x
    x = 44,863,774.64/7,651.67
  6. Step 6: Final answer
    x = 5,863.27

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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.