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Finding the Fourth Proportional to 5,848.28, 8,697.21 and 5,663.70

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Solution

The fourth proportional to 5,848.28, 8,697.21 and 5,663.70 is: 8,422.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,848.28 : 8,697.21 = 5,663.70 : x
  2. Step 2: Convert to fraction form
    5,848.28/8,697.21 = 5,663.70/x
  3. Step 3: Cross multiply
    5,848.28x = 8,697.21 × 5,663.70
  4. Step 4: Simplify right side
    5,848.28x = 49,258,388.28
  5. Step 5: Solve for x
    x = 49,258,388.28/5,848.28
  6. Step 6: Final answer
    x = 8,422.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.