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Finding the Fourth Proportional to 34,823.74, 48,057.74 and 20,484.61

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Solution

The fourth proportional to 34,823.74, 48,057.74 and 20,484.61 is: 28,269.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,823.74 : 48,057.74 = 20,484.61 : x
  2. Step 2: Convert to fraction form
    34,823.74/48,057.74 = 20,484.61/x
  3. Step 3: Cross multiply
    34,823.74x = 48,057.74 × 20,484.61
  4. Step 4: Simplify right side
    34,823.74x = 984,444,061.38
  5. Step 5: Solve for x
    x = 984,444,061.38/34,823.74
  6. Step 6: Final answer
    x = 28,269.34

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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.