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Finding the Fourth Proportional to 65,396.88, 90,275.10 and 44,204.85

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Solution

The fourth proportional to 65,396.88, 90,275.10 and 44,204.85 is: 61,021.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,396.88 : 90,275.10 = 44,204.85 : x
  2. Step 2: Convert to fraction form
    65,396.88/90,275.10 = 44,204.85/x
  3. Step 3: Cross multiply
    65,396.88x = 90,275.10 × 44,204.85
  4. Step 4: Simplify right side
    65,396.88x = 3,990,597,254.24
  5. Step 5: Solve for x
    x = 3,990,597,254.24/65,396.88
  6. Step 6: Final answer
    x = 61,021.22

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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.