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Finding the Fourth Proportional to 58,740.75, 81,062.33 and 33,590.79

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Solution

The fourth proportional to 58,740.75, 81,062.33 and 33,590.79 is: 46,355.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,740.75 : 81,062.33 = 33,590.79 : x
  2. Step 2: Convert to fraction form
    58,740.75/81,062.33 = 33,590.79/x
  3. Step 3: Cross multiply
    58,740.75x = 81,062.33 × 33,590.79
  4. Step 4: Simplify right side
    58,740.75x = 2,722,947,535.99
  5. Step 5: Solve for x
    x = 2,722,947,535.99/58,740.75
  6. Step 6: Final answer
    x = 46,355.34

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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.