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Finding the Fourth Proportional to 34,873.80, 48,124.80 and 18,957.84

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Solution

The fourth proportional to 34,873.80, 48,124.80 and 18,957.84 is: 26,161.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,873.80 : 48,124.80 = 18,957.84 : x
  2. Step 2: Convert to fraction form
    34,873.80/48,124.80 = 18,957.84/x
  3. Step 3: Cross multiply
    34,873.80x = 48,124.80 × 18,957.84
  4. Step 4: Simplify right side
    34,873.80x = 912,342,258.43
  5. Step 5: Solve for x
    x = 912,342,258.43/34,873.80
  6. Step 6: Final answer
    x = 26,161.25

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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.