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Finding the Fourth Proportional to 39,092.80, 58,552.80 and 30,258.40

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Solution

The fourth proportional to 39,092.80, 58,552.80 and 30,258.40 is: 45,320.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,092.80 : 58,552.80 = 30,258.40 : x
  2. Step 2: Convert to fraction form
    39,092.80/58,552.80 = 30,258.40/x
  3. Step 3: Cross multiply
    39,092.80x = 58,552.80 × 30,258.40
  4. Step 4: Simplify right side
    39,092.80x = 1,771,714,043.52
  5. Step 5: Solve for x
    x = 1,771,714,043.52/39,092.80
  6. Step 6: Final answer
    x = 45,320.73

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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.