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Finding the Fourth Proportional to 44,499.70, 66,749.55 and 39,315.70

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Solution

The fourth proportional to 44,499.70, 66,749.55 and 39,315.70 is: 58,973.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,499.70 : 66,749.55 = 39,315.70 : x
  2. Step 2: Convert to fraction form
    44,499.70/66,749.55 = 39,315.70/x
  3. Step 3: Cross multiply
    44,499.70x = 66,749.55 × 39,315.70
  4. Step 4: Simplify right side
    44,499.70x = 2,624,305,282.94
  5. Step 5: Solve for x
    x = 2,624,305,282.94/44,499.70
  6. Step 6: Final answer
    x = 58,973.55

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Similar ratio
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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.