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Finding the Fourth Proportional to 58,586.69, 80,866.76 and 34,393.92

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Solution

The fourth proportional to 58,586.69, 80,866.76 and 34,393.92 is: 47,473.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,586.69 : 80,866.76 = 34,393.92 : x
  2. Step 2: Convert to fraction form
    58,586.69/80,866.76 = 34,393.92/x
  3. Step 3: Cross multiply
    58,586.69x = 80,866.76 × 34,393.92
  4. Step 4: Simplify right side
    58,586.69x = 2,781,324,398.88
  5. Step 5: Solve for x
    x = 2,781,324,398.88/58,586.69
  6. Step 6: Final answer
    x = 47,473.65

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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.