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Finding the Fourth Proportional to 87,065.34, 130,601.12 and 27,893.34

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Solution

The fourth proportional to 87,065.34, 130,601.12 and 27,893.34 is: 41,841.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,065.34 : 130,601.12 = 27,893.34 : x
  2. Step 2: Convert to fraction form
    87,065.34/130,601.12 = 27,893.34/x
  3. Step 3: Cross multiply
    87,065.34x = 130,601.12 × 27,893.34
  4. Step 4: Simplify right side
    87,065.34x = 3,642,901,305.07
  5. Step 5: Solve for x
    x = 3,642,901,305.07/87,065.34
  6. Step 6: Final answer
    x = 41,841.00

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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.