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Finding the Fourth Proportional to 7,378.92, 11,079.59 and 6,350.22

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Solution

The fourth proportional to 7,378.92, 11,079.59 and 6,350.22 is: 9,534.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.92 : 11,079.59 = 6,350.22 : x
  2. Step 2: Convert to fraction form
    7,378.92/11,079.59 = 6,350.22/x
  3. Step 3: Cross multiply
    7,378.92x = 11,079.59 × 6,350.22
  4. Step 4: Simplify right side
    7,378.92x = 70,357,802.26
  5. Step 5: Solve for x
    x = 70,357,802.26/7,378.92
  6. Step 6: Final answer
    x = 9,534.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.