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Finding the Fourth Proportional to 5,332.92, 7,349.04 and 3,838.20

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Solution

The fourth proportional to 5,332.92, 7,349.04 and 3,838.20 is: 5,289.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,332.92 : 7,349.04 = 3,838.20 : x
  2. Step 2: Convert to fraction form
    5,332.92/7,349.04 = 3,838.20/x
  3. Step 3: Cross multiply
    5,332.92x = 7,349.04 × 3,838.20
  4. Step 4: Simplify right side
    5,332.92x = 28,207,085.33
  5. Step 5: Solve for x
    x = 28,207,085.33/5,332.92
  6. Step 6: Final answer
    x = 5,289.24

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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.