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Finding the Fourth Proportional to 34,448, 47,530.88 and 20,295.68

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Solution

The fourth proportional to 34,448, 47,530.88 and 20,295.68 is: 28,003.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,448 : 47,530.88 = 20,295.68 : x
  2. Step 2: Convert to fraction form
    34,448/47,530.88 = 20,295.68/x
  3. Step 3: Cross multiply
    34,448x = 47,530.88 × 20,295.68
  4. Step 4: Simplify right side
    34,448x = 964,671,530.60
  5. Step 5: Solve for x
    x = 964,671,530.60/34,448
  6. Step 6: Final answer
    x = 28,003.70

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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.