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Finding the Fourth Proportional to 58,091.92, 86,990.04 and 40,574.04

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Solution

The fourth proportional to 58,091.92, 86,990.04 and 40,574.04 is: 60,757.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,091.92 : 86,990.04 = 40,574.04 : x
  2. Step 2: Convert to fraction form
    58,091.92/86,990.04 = 40,574.04/x
  3. Step 3: Cross multiply
    58,091.92x = 86,990.04 × 40,574.04
  4. Step 4: Simplify right side
    58,091.92x = 3,529,537,362.56
  5. Step 5: Solve for x
    x = 3,529,537,362.56/58,091.92
  6. Step 6: Final answer
    x = 60,757.80

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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.