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Finding the Fourth Proportional to 34,903.60, 48,160.44 and 20,759.92

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Solution

The fourth proportional to 34,903.60, 48,160.44 and 20,759.92 is: 28,644.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,903.60 : 48,160.44 = 20,759.92 : x
  2. Step 2: Convert to fraction form
    34,903.60/48,160.44 = 20,759.92/x
  3. Step 3: Cross multiply
    34,903.60x = 48,160.44 × 20,759.92
  4. Step 4: Simplify right side
    34,903.60x = 999,806,881.56
  5. Step 5: Solve for x
    x = 999,806,881.56/34,903.60
  6. Step 6: Final answer
    x = 28,644.81

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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.