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Finding the Fourth Proportional to 34,874.96, 48,126.88 and 18,959.81

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Solution

The fourth proportional to 34,874.96, 48,126.88 and 18,959.81 is: 26,164.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,874.96 : 48,126.88 = 18,959.81 : x
  2. Step 2: Convert to fraction form
    34,874.96/48,126.88 = 18,959.81/x
  3. Step 3: Cross multiply
    34,874.96x = 48,126.88 × 18,959.81
  4. Step 4: Simplify right side
    34,874.96x = 912,476,573.61
  5. Step 5: Solve for x
    x = 912,476,573.61/34,874.96
  6. Step 6: Final answer
    x = 26,164.23

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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.