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Finding the Fourth Proportional to 65,222.93, 90,007.98 and 36,934.13

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Solution

The fourth proportional to 65,222.93, 90,007.98 and 36,934.13 is: 50,969.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,222.93 : 90,007.98 = 36,934.13 : x
  2. Step 2: Convert to fraction form
    65,222.93/90,007.98 = 36,934.13/x
  3. Step 3: Cross multiply
    65,222.93x = 90,007.98 × 36,934.13
  4. Step 4: Simplify right side
    65,222.93x = 3,324,366,434.36
  5. Step 5: Solve for x
    x = 3,324,366,434.36/65,222.93
  6. Step 6: Final answer
    x = 50,969.29

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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.