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Finding the Fourth Proportional to 7,167.33, 9,891.33 and 4,773.15

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Solution

The fourth proportional to 7,167.33, 9,891.33 and 4,773.15 is: 6,587.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167.33 : 9,891.33 = 4,773.15 : x
  2. Step 2: Convert to fraction form
    7,167.33/9,891.33 = 4,773.15/x
  3. Step 3: Cross multiply
    7,167.33x = 9,891.33 × 4,773.15
  4. Step 4: Simplify right side
    7,167.33x = 47,212,801.79
  5. Step 5: Solve for x
    x = 47,212,801.79/7,167.33
  6. Step 6: Final answer
    x = 6,587.22

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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.