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Finding the Fourth Proportional to 8,868.96, 13,354.56 and 7,323.84

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Solution

The fourth proportional to 8,868.96, 13,354.56 and 7,323.84 is: 11,027.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.96 : 13,354.56 = 7,323.84 : x
  2. Step 2: Convert to fraction form
    8,868.96/13,354.56 = 7,323.84/x
  3. Step 3: Cross multiply
    8,868.96x = 13,354.56 × 7,323.84
  4. Step 4: Simplify right side
    8,868.96x = 97,806,660.71
  5. Step 5: Solve for x
    x = 97,806,660.71/8,868.96
  6. Step 6: Final answer
    x = 11,027.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.