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Finding the Fourth Proportional to 69,728.32, 96,226.50 and 37,899.26

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Solution

The fourth proportional to 69,728.32, 96,226.50 and 37,899.26 is: 52,301.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,728.32 : 96,226.50 = 37,899.26 : x
  2. Step 2: Convert to fraction form
    69,728.32/96,226.50 = 37,899.26/x
  3. Step 3: Cross multiply
    69,728.32x = 96,226.50 × 37,899.26
  4. Step 4: Simplify right side
    69,728.32x = 3,646,913,142.39
  5. Step 5: Solve for x
    x = 3,646,913,142.39/69,728.32
  6. Step 6: Final answer
    x = 52,301.75

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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.