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Finding the Fourth Proportional to 82,615.50, 114,008.55 and 44,889.90

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Solution

The fourth proportional to 82,615.50, 114,008.55 and 44,889.90 is: 61,947.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,615.50 : 114,008.55 = 44,889.90 : x
  2. Step 2: Convert to fraction form
    82,615.50/114,008.55 = 44,889.90/x
  3. Step 3: Cross multiply
    82,615.50x = 114,008.55 × 44,889.90
  4. Step 4: Simplify right side
    82,615.50x = 5,117,832,408.65
  5. Step 5: Solve for x
    x = 5,117,832,408.65/82,615.50
  6. Step 6: Final answer
    x = 61,947.61

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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.