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Finding the Fourth Proportional to 69,778.47, 96,097.59 and 69,559.77

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Solution

The fourth proportional to 69,778.47, 96,097.59 and 69,559.77 is: 95,796.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,778.47 : 96,097.59 = 69,559.77 : x
  2. Step 2: Convert to fraction form
    69,778.47/96,097.59 = 69,559.77/x
  3. Step 3: Cross multiply
    69,778.47x = 96,097.59 × 69,559.77
  4. Step 4: Simplify right side
    69,778.47x = 6,684,526,257.95
  5. Step 5: Solve for x
    x = 6,684,526,257.95/69,778.47
  6. Step 6: Final answer
    x = 95,796.40

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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.