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Finding the Fourth Proportional to 8,603.56, 11,867.34 and 5,953.24

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Solution

The fourth proportional to 8,603.56, 11,867.34 and 5,953.24 is: 8,211.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603.56 : 11,867.34 = 5,953.24 : x
  2. Step 2: Convert to fraction form
    8,603.56/11,867.34 = 5,953.24/x
  3. Step 3: Cross multiply
    8,603.56x = 11,867.34 × 5,953.24
  4. Step 4: Simplify right side
    8,603.56x = 70,649,123.18
  5. Step 5: Solve for x
    x = 70,649,123.18/8,603.56
  6. Step 6: Final answer
    x = 8,211.62

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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.