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Finding the Fourth Proportional to 79,901.48, 119,831.70 and 23,728.34

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Solution

The fourth proportional to 79,901.48, 119,831.70 and 23,728.34 is: 35,586.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,901.48 : 119,831.70 = 23,728.34 : x
  2. Step 2: Convert to fraction form
    79,901.48/119,831.70 = 23,728.34/x
  3. Step 3: Cross multiply
    79,901.48x = 119,831.70 × 23,728.34
  4. Step 4: Simplify right side
    79,901.48x = 2,843,407,320.38
  5. Step 5: Solve for x
    x = 2,843,407,320.38/79,901.48
  6. Step 6: Final answer
    x = 35,586.42

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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.