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Finding the Fourth Proportional to 65,104.37, 89,845.71 and 36,423.08

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Solution

The fourth proportional to 65,104.37, 89,845.71 and 36,423.08 is: 50,264.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,104.37 : 89,845.71 = 36,423.08 : x
  2. Step 2: Convert to fraction form
    65,104.37/89,845.71 = 36,423.08/x
  3. Step 3: Cross multiply
    65,104.37x = 89,845.71 × 36,423.08
  4. Step 4: Simplify right side
    65,104.37x = 3,272,457,482.99
  5. Step 5: Solve for x
    x = 3,272,457,482.99/65,104.37
  6. Step 6: Final answer
    x = 50,264.79

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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.