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Finding the Fourth Proportional to 57,465.55, 86,080.78 and 27,859.04

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Solution

The fourth proportional to 57,465.55, 86,080.78 and 27,859.04 is: 41,731.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,465.55 : 86,080.78 = 27,859.04 : x
  2. Step 2: Convert to fraction form
    57,465.55/86,080.78 = 27,859.04/x
  3. Step 3: Cross multiply
    57,465.55x = 86,080.78 × 27,859.04
  4. Step 4: Simplify right side
    57,465.55x = 2,398,127,663.77
  5. Step 5: Solve for x
    x = 2,398,127,663.77/57,465.55
  6. Step 6: Final answer
    x = 41,731.57

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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.