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Finding the Fourth Proportional to 69,057.64, 95,307.99 and 38,844.23

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Solution

The fourth proportional to 69,057.64, 95,307.99 and 38,844.23 is: 53,609.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,057.64 : 95,307.99 = 38,844.23 : x
  2. Step 2: Convert to fraction form
    69,057.64/95,307.99 = 38,844.23/x
  3. Step 3: Cross multiply
    69,057.64x = 95,307.99 × 38,844.23
  4. Step 4: Simplify right side
    69,057.64x = 3,702,165,484.40
  5. Step 5: Solve for x
    x = 3,702,165,484.40/69,057.64
  6. Step 6: Final answer
    x = 53,609.79

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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.