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Finding the Fourth Proportional to 58,490.67, 80,725.10 and 35,830.92

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Solution

The fourth proportional to 58,490.67, 80,725.10 and 35,830.92 is: 49,451.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,490.67 : 80,725.10 = 35,830.92 : x
  2. Step 2: Convert to fraction form
    58,490.67/80,725.10 = 35,830.92/x
  3. Step 3: Cross multiply
    58,490.67x = 80,725.10 × 35,830.92
  4. Step 4: Simplify right side
    58,490.67x = 2,892,454,420.94
  5. Step 5: Solve for x
    x = 2,892,454,420.94/58,490.67
  6. Step 6: Final answer
    x = 49,451.55

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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.