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Finding the Fourth Proportional to 34,869.69, 48,119.13 and 18,953.73

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Solution

The fourth proportional to 34,869.69, 48,119.13 and 18,953.73 is: 26,155.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,869.69 : 48,119.13 = 18,953.73 : x
  2. Step 2: Convert to fraction form
    34,869.69/48,119.13 = 18,953.73/x
  3. Step 3: Cross multiply
    34,869.69x = 48,119.13 × 18,953.73
  4. Step 4: Simplify right side
    34,869.69x = 912,036,997.85
  5. Step 5: Solve for x
    x = 912,036,997.85/34,869.69
  6. Step 6: Final answer
    x = 26,155.58

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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.