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Finding the Fourth Proportional to 69,911.88, 96,477.88 and 38,080.68

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Solution

The fourth proportional to 69,911.88, 96,477.88 and 38,080.68 is: 52,551.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,911.88 : 96,477.88 = 38,080.68 : x
  2. Step 2: Convert to fraction form
    69,911.88/96,477.88 = 38,080.68/x
  3. Step 3: Cross multiply
    69,911.88x = 96,477.88 × 38,080.68
  4. Step 4: Simplify right side
    69,911.88x = 3,673,943,275.36
  5. Step 5: Solve for x
    x = 3,673,943,275.36/69,911.88
  6. Step 6: Final answer
    x = 52,551.06

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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.