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Finding the Fourth Proportional to 58,646.93, 80,930.79 and 34,759.42

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Solution

The fourth proportional to 58,646.93, 80,930.79 and 34,759.42 is: 47,966.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,646.93 : 80,930.79 = 34,759.42 : x
  2. Step 2: Convert to fraction form
    58,646.93/80,930.79 = 34,759.42/x
  3. Step 3: Cross multiply
    58,646.93x = 80,930.79 × 34,759.42
  4. Step 4: Simplify right side
    58,646.93x = 2,813,107,320.54
  5. Step 5: Solve for x
    x = 2,813,107,320.54/58,646.93
  6. Step 6: Final answer
    x = 47,966.83

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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.