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Finding the Fourth Proportional to 69,573.28, 96,005.28 and 39,357.04

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Solution

The fourth proportional to 69,573.28, 96,005.28 and 39,357.04 is: 54,309.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,573.28 : 96,005.28 = 39,357.04 : x
  2. Step 2: Convert to fraction form
    69,573.28/96,005.28 = 39,357.04/x
  3. Step 3: Cross multiply
    69,573.28x = 96,005.28 × 39,357.04
  4. Step 4: Simplify right side
    69,573.28x = 3,778,483,645.17
  5. Step 5: Solve for x
    x = 3,778,483,645.17/69,573.28
  6. Step 6: Final answer
    x = 54,309.41

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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.