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Finding the Fourth Proportional to 5,364.32, 7,402.48 and 3,006.20

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Solution

The fourth proportional to 5,364.32, 7,402.48 and 3,006.20 is: 4,148.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,364.32 : 7,402.48 = 3,006.20 : x
  2. Step 2: Convert to fraction form
    5,364.32/7,402.48 = 3,006.20/x
  3. Step 3: Cross multiply
    5,364.32x = 7,402.48 × 3,006.20
  4. Step 4: Simplify right side
    5,364.32x = 22,253,335.38
  5. Step 5: Solve for x
    x = 22,253,335.38/5,364.32
  6. Step 6: Final answer
    x = 4,148.40

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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.