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Finding the Fourth Proportional to 58,287.88, 80,444.10 and 33,141.16

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Solution

The fourth proportional to 58,287.88, 80,444.10 and 33,141.16 is: 45,738.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,287.88 : 80,444.10 = 33,141.16 : x
  2. Step 2: Convert to fraction form
    58,287.88/80,444.10 = 33,141.16/x
  3. Step 3: Cross multiply
    58,287.88x = 80,444.10 × 33,141.16
  4. Step 4: Simplify right side
    58,287.88x = 2,666,010,789.16
  5. Step 5: Solve for x
    x = 2,666,010,789.16/58,287.88
  6. Step 6: Final answer
    x = 45,738.68

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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.