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Finding the Fourth Proportional to 65,156.44, 89,924.34 and 36,487.02

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Solution

The fourth proportional to 65,156.44, 89,924.34 and 36,487.02 is: 50,356.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,156.44 : 89,924.34 = 36,487.02 : x
  2. Step 2: Convert to fraction form
    65,156.44/89,924.34 = 36,487.02/x
  3. Step 3: Cross multiply
    65,156.44x = 89,924.34 × 36,487.02
  4. Step 4: Simplify right side
    65,156.44x = 3,281,071,192.07
  5. Step 5: Solve for x
    x = 3,281,071,192.07/65,156.44
  6. Step 6: Final answer
    x = 50,356.82

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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.