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Finding the Fourth Proportional to 7,246.32, 9,988.92 and 5,971.92

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Solution

The fourth proportional to 7,246.32, 9,988.92 and 5,971.92 is: 8,232.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,246.32 : 9,988.92 = 5,971.92 : x
  2. Step 2: Convert to fraction form
    7,246.32/9,988.92 = 5,971.92/x
  3. Step 3: Cross multiply
    7,246.32x = 9,988.92 × 5,971.92
  4. Step 4: Simplify right side
    7,246.32x = 59,653,031.13
  5. Step 5: Solve for x
    x = 59,653,031.13/7,246.32
  6. Step 6: Final answer
    x = 8,232.18

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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.