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Finding the Fourth Proportional to 69,677.75, 104,518.80 and 33,154.72

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Solution

The fourth proportional to 69,677.75, 104,518.80 and 33,154.72 is: 49,733.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,677.75 : 104,518.80 = 33,154.72 : x
  2. Step 2: Convert to fraction form
    69,677.75/104,518.80 = 33,154.72/x
  3. Step 3: Cross multiply
    69,677.75x = 104,518.80 × 33,154.72
  4. Step 4: Simplify right side
    69,677.75x = 3,465,291,548.74
  5. Step 5: Solve for x
    x = 3,465,291,548.74/69,677.75
  6. Step 6: Final answer
    x = 49,733.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.