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Finding the Fourth Proportional to 60,040.68, 90,065.52 and 17,917.44

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Solution

The fourth proportional to 60,040.68, 90,065.52 and 17,917.44 is: 26,877.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,040.68 : 90,065.52 = 17,917.44 : x
  2. Step 2: Convert to fraction form
    60,040.68/90,065.52 = 17,917.44/x
  3. Step 3: Cross multiply
    60,040.68x = 90,065.52 × 17,917.44
  4. Step 4: Simplify right side
    60,040.68x = 1,613,743,550.67
  5. Step 5: Solve for x
    x = 1,613,743,550.67/60,040.68
  6. Step 6: Final answer
    x = 26,877.50

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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.