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Finding the Fourth Proportional to 65,277.59, 90,084.83 and 36,983.07

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Solution

The fourth proportional to 65,277.59, 90,084.83 and 36,983.07 is: 51,037.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,277.59 : 90,084.83 = 36,983.07 : x
  2. Step 2: Convert to fraction form
    65,277.59/90,084.83 = 36,983.07/x
  3. Step 3: Cross multiply
    65,277.59x = 90,084.83 × 36,983.07
  4. Step 4: Simplify right side
    65,277.59x = 3,331,613,388.91
  5. Step 5: Solve for x
    x = 3,331,613,388.91/65,277.59
  6. Step 6: Final answer
    x = 51,037.63

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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.