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Finding the Fourth Proportional to 69,973.07, 96,559.19 and 39,754.20

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Solution

The fourth proportional to 69,973.07, 96,559.19 and 39,754.20 is: 54,858.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,973.07 : 96,559.19 = 39,754.20 : x
  2. Step 2: Convert to fraction form
    69,973.07/96,559.19 = 39,754.20/x
  3. Step 3: Cross multiply
    69,973.07x = 96,559.19 × 39,754.20
  4. Step 4: Simplify right side
    69,973.07x = 3,838,633,013.85
  5. Step 5: Solve for x
    x = 3,838,633,013.85/69,973.07
  6. Step 6: Final answer
    x = 54,858.72

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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.