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Finding the Fourth Proportional to 8,881.76, 13,331.02 and 4,502.36

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Solution

The fourth proportional to 8,881.76, 13,331.02 and 4,502.36 is: 6,757.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.76 : 13,331.02 = 4,502.36 : x
  2. Step 2: Convert to fraction form
    8,881.76/13,331.02 = 4,502.36/x
  3. Step 3: Cross multiply
    8,881.76x = 13,331.02 × 4,502.36
  4. Step 4: Simplify right side
    8,881.76x = 60,021,051.21
  5. Step 5: Solve for x
    x = 60,021,051.21/8,881.76
  6. Step 6: Final answer
    x = 6,757.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.