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Finding the Fourth Proportional to 5,375.28, 7,411.56 and 4,534.50

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Solution

The fourth proportional to 5,375.28, 7,411.56 and 4,534.50 is: 6,252.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.28 : 7,411.56 = 4,534.50 : x
  2. Step 2: Convert to fraction form
    5,375.28/7,411.56 = 4,534.50/x
  3. Step 3: Cross multiply
    5,375.28x = 7,411.56 × 4,534.50
  4. Step 4: Simplify right side
    5,375.28x = 33,607,718.82
  5. Step 5: Solve for x
    x = 33,607,718.82/5,375.28
  6. Step 6: Final answer
    x = 6,252.27

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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.