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Finding the Fourth Proportional to 29,488.32, 44,220.06 and 11,945.88

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Solution

The fourth proportional to 29,488.32, 44,220.06 and 11,945.88 is: 17,913.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,488.32 : 44,220.06 = 11,945.88 : x
  2. Step 2: Convert to fraction form
    29,488.32/44,220.06 = 11,945.88/x
  3. Step 3: Cross multiply
    29,488.32x = 44,220.06 × 11,945.88
  4. Step 4: Simplify right side
    29,488.32x = 528,247,530.35
  5. Step 5: Solve for x
    x = 528,247,530.35/29,488.32
  6. Step 6: Final answer
    x = 17,913.79

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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.