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Finding the Fourth Proportional to 64,472.21, 88,969.33 and 35,793.13

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Solution

The fourth proportional to 64,472.21, 88,969.33 and 35,793.13 is: 49,393.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,472.21 : 88,969.33 = 35,793.13 : x
  2. Step 2: Convert to fraction form
    64,472.21/88,969.33 = 35,793.13/x
  3. Step 3: Cross multiply
    64,472.21x = 88,969.33 × 35,793.13
  4. Step 4: Simplify right side
    64,472.21x = 3,184,490,794.70
  5. Step 5: Solve for x
    x = 3,184,490,794.70/64,472.21
  6. Step 6: Final answer
    x = 49,393.23

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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.