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Finding the Fourth Proportional to 34,863.57, 48,112.05 and 18,948.06

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Solution

The fourth proportional to 34,863.57, 48,112.05 and 18,948.06 is: 26,148.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,863.57 : 48,112.05 = 18,948.06 : x
  2. Step 2: Convert to fraction form
    34,863.57/48,112.05 = 18,948.06/x
  3. Step 3: Cross multiply
    34,863.57x = 48,112.05 × 18,948.06
  4. Step 4: Simplify right side
    34,863.57x = 911,630,010.12
  5. Step 5: Solve for x
    x = 911,630,010.12/34,863.57
  6. Step 6: Final answer
    x = 26,148.50

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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.