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Finding the Fourth Proportional to 69,973.67, 96,560.02 and 39,754.80

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Solution

The fourth proportional to 69,973.67, 96,560.02 and 39,754.80 is: 54,859.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,973.67 : 96,560.02 = 39,754.80 : x
  2. Step 2: Convert to fraction form
    69,973.67/96,560.02 = 39,754.80/x
  3. Step 3: Cross multiply
    69,973.67x = 96,560.02 × 39,754.80
  4. Step 4: Simplify right side
    69,973.67x = 3,838,724,283.10
  5. Step 5: Solve for x
    x = 3,838,724,283.10/69,973.67
  6. Step 6: Final answer
    x = 54,859.55

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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.