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Finding the Fourth Proportional to 69,907.68, 96,472.80 and 41,613.12

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Solution

The fourth proportional to 69,907.68, 96,472.80 and 41,613.12 is: 57,426.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,907.68 : 96,472.80 = 41,613.12 : x
  2. Step 2: Convert to fraction form
    69,907.68/96,472.80 = 41,613.12/x
  3. Step 3: Cross multiply
    69,907.68x = 96,472.80 × 41,613.12
  4. Step 4: Simplify right side
    69,907.68x = 4,014,534,203.14
  5. Step 5: Solve for x
    x = 4,014,534,203.14/69,907.68
  6. Step 6: Final answer
    x = 57,426.23

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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.