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Finding the Fourth Proportional to 65,248.35, 90,041.72 and 36,567.98

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Solution

The fourth proportional to 65,248.35, 90,041.72 and 36,567.98 is: 50,463.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,248.35 : 90,041.72 = 36,567.98 : x
  2. Step 2: Convert to fraction form
    65,248.35/90,041.72 = 36,567.98/x
  3. Step 3: Cross multiply
    65,248.35x = 90,041.72 × 36,567.98
  4. Step 4: Simplify right side
    65,248.35x = 3,292,643,183.08
  5. Step 5: Solve for x
    x = 3,292,643,183.08/65,248.35
  6. Step 6: Final answer
    x = 50,463.24

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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.