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Finding the Fourth Proportional to 39,750, 54,853.02 and 23,831.34

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Solution

The fourth proportional to 39,750, 54,853.02 and 23,831.34 is: 32,886.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,750 : 54,853.02 = 23,831.34 : x
  2. Step 2: Convert to fraction form
    39,750/54,853.02 = 23,831.34/x
  3. Step 3: Cross multiply
    39,750x = 54,853.02 × 23,831.34
  4. Step 4: Simplify right side
    39,750x = 1,307,220,969.65
  5. Step 5: Solve for x
    x = 1,307,220,969.65/39,750
  6. Step 6: Final answer
    x = 32,886.06

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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.