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Finding the Fourth Proportional to 65,184.97, 89,960.18 and 36,503.18

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Solution

The fourth proportional to 65,184.97, 89,960.18 and 36,503.18 is: 50,377.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,184.97 : 89,960.18 = 36,503.18 : x
  2. Step 2: Convert to fraction form
    65,184.97/89,960.18 = 36,503.18/x
  3. Step 3: Cross multiply
    65,184.97x = 89,960.18 × 36,503.18
  4. Step 4: Simplify right side
    65,184.97x = 3,283,832,643.37
  5. Step 5: Solve for x
    x = 3,283,832,643.37/65,184.97
  6. Step 6: Final answer
    x = 50,377.14

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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.