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Finding the Fourth Proportional to 65,254.32, 90,049.95 and 36,573.93

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Solution

The fourth proportional to 65,254.32, 90,049.95 and 36,573.93 is: 50,471.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,254.32 : 90,049.95 = 36,573.93 : x
  2. Step 2: Convert to fraction form
    65,254.32/90,049.95 = 36,573.93/x
  3. Step 3: Cross multiply
    65,254.32x = 90,049.95 × 36,573.93
  4. Step 4: Simplify right side
    65,254.32x = 3,293,480,567.80
  5. Step 5: Solve for x
    x = 3,293,480,567.80/65,254.32
  6. Step 6: Final answer
    x = 50,471.46

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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.