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Finding the Fourth Proportional to 69,595.71, 96,037.25 and 39,380.28

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Solution

The fourth proportional to 69,595.71, 96,037.25 and 39,380.28 is: 54,342.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,595.71 : 96,037.25 = 39,380.28 : x
  2. Step 2: Convert to fraction form
    69,595.71/96,037.25 = 39,380.28/x
  3. Step 3: Cross multiply
    69,595.71x = 96,037.25 × 39,380.28
  4. Step 4: Simplify right side
    69,595.71x = 3,781,973,238.39
  5. Step 5: Solve for x
    x = 3,781,973,238.39/69,595.71
  6. Step 6: Final answer
    x = 54,342.05

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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.