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Finding the Fourth Proportional to 60,406.48, 83,358.24 and 36,220.79

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Solution

The fourth proportional to 60,406.48, 83,358.24 and 36,220.79 is: 49,983.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,406.48 : 83,358.24 = 36,220.79 : x
  2. Step 2: Convert to fraction form
    60,406.48/83,358.24 = 36,220.79/x
  3. Step 3: Cross multiply
    60,406.48x = 83,358.24 × 36,220.79
  4. Step 4: Simplify right side
    60,406.48x = 3,019,301,514.21
  5. Step 5: Solve for x
    x = 3,019,301,514.21/60,406.48
  6. Step 6: Final answer
    x = 49,983.08

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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.