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Finding the Fourth Proportional to 60,079.48, 90,118.23 and 17,959.66

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Solution

The fourth proportional to 60,079.48, 90,118.23 and 17,959.66 is: 26,939.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,079.48 : 90,118.23 = 17,959.66 : x
  2. Step 2: Convert to fraction form
    60,079.48/90,118.23 = 17,959.66/x
  3. Step 3: Cross multiply
    60,079.48x = 90,118.23 × 17,959.66
  4. Step 4: Simplify right side
    60,079.48x = 1,618,492,770.60
  5. Step 5: Solve for x
    x = 1,618,492,770.60/60,079.48
  6. Step 6: Final answer
    x = 26,939.19

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Double scale
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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.