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Finding the Fourth Proportional to 58,161.60, 80,265.91 and 32,666.65

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Solution

The fourth proportional to 58,161.60, 80,265.91 and 32,666.65 is: 45,081.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,161.60 : 80,265.91 = 32,666.65 : x
  2. Step 2: Convert to fraction form
    58,161.60/80,265.91 = 32,666.65/x
  3. Step 3: Cross multiply
    58,161.60x = 80,265.91 × 32,666.65
  4. Step 4: Simplify right side
    58,161.60x = 2,622,018,388.90
  5. Step 5: Solve for x
    x = 2,622,018,388.90/58,161.60
  6. Step 6: Final answer
    x = 45,081.61

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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.