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Finding the Fourth Proportional to 69,551.28, 95,980.24 and 37,720.24

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Solution

The fourth proportional to 69,551.28, 95,980.24 and 37,720.24 is: 52,053.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,551.28 : 95,980.24 = 37,720.24 : x
  2. Step 2: Convert to fraction form
    69,551.28/95,980.24 = 37,720.24/x
  3. Step 3: Cross multiply
    69,551.28x = 95,980.24 × 37,720.24
  4. Step 4: Simplify right side
    69,551.28x = 3,620,397,688.06
  5. Step 5: Solve for x
    x = 3,620,397,688.06/69,551.28
  6. Step 6: Final answer
    x = 52,053.65

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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.