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Finding the Fourth Proportional to 64,393.28, 88,868.88 and 36,103.68

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Solution

The fourth proportional to 64,393.28, 88,868.88 and 36,103.68 is: 49,826.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,393.28 : 88,868.88 = 36,103.68 : x
  2. Step 2: Convert to fraction form
    64,393.28/88,868.88 = 36,103.68/x
  3. Step 3: Cross multiply
    64,393.28x = 88,868.88 × 36,103.68
  4. Step 4: Simplify right side
    64,393.28x = 3,208,493,605.48
  5. Step 5: Solve for x
    x = 3,208,493,605.48/64,393.28
  6. Step 6: Final answer
    x = 49,826.53

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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.