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Finding the Fourth Proportional to 7,291.62, 10,062.04 and 4,306.78

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Solution

The fourth proportional to 7,291.62, 10,062.04 and 4,306.78 is: 5,943.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,291.62 : 10,062.04 = 4,306.78 : x
  2. Step 2: Convert to fraction form
    7,291.62/10,062.04 = 4,306.78/x
  3. Step 3: Cross multiply
    7,291.62x = 10,062.04 × 4,306.78
  4. Step 4: Simplify right side
    7,291.62x = 43,334,992.63
  5. Step 5: Solve for x
    x = 43,334,992.63/7,291.62
  6. Step 6: Final answer
    x = 5,943.12

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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.