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Finding the Fourth Proportional to 7,062.52, 9,747.12 and 4,823.68

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Solution

The fourth proportional to 7,062.52, 9,747.12 and 4,823.68 is: 6,657.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,062.52 : 9,747.12 = 4,823.68 : x
  2. Step 2: Convert to fraction form
    7,062.52/9,747.12 = 4,823.68/x
  3. Step 3: Cross multiply
    7,062.52x = 9,747.12 × 4,823.68
  4. Step 4: Simplify right side
    7,062.52x = 47,016,987.80
  5. Step 5: Solve for x
    x = 47,016,987.80/7,062.52
  6. Step 6: Final answer
    x = 6,657.25

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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.