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Finding the Fourth Proportional to 60,144.39, 82,944.45 and 51,643.89

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Solution

The fourth proportional to 60,144.39, 82,944.45 and 51,643.89 is: 71,221.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,144.39 : 82,944.45 = 51,643.89 : x
  2. Step 2: Convert to fraction form
    60,144.39/82,944.45 = 51,643.89/x
  3. Step 3: Cross multiply
    60,144.39x = 82,944.45 × 51,643.89
  4. Step 4: Simplify right side
    60,144.39x = 4,283,574,051.91
  5. Step 5: Solve for x
    x = 4,283,574,051.91/60,144.39
  6. Step 6: Final answer
    x = 71,221.51

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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.