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Finding the Fourth Proportional to 36,145.80, 54,132.30 and 29,233.80

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Solution

The fourth proportional to 36,145.80, 54,132.30 and 29,233.80 is: 43,780.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,145.80 : 54,132.30 = 29,233.80 : x
  2. Step 2: Convert to fraction form
    36,145.80/54,132.30 = 29,233.80/x
  3. Step 3: Cross multiply
    36,145.80x = 54,132.30 × 29,233.80
  4. Step 4: Simplify right side
    36,145.80x = 1,582,492,831.74
  5. Step 5: Solve for x
    x = 1,582,492,831.74/36,145.80
  6. Step 6: Final answer
    x = 43,780.82

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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.