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Finding the Fourth Proportional to 69,778.71, 104,684.40 and 23,031.54

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Solution

The fourth proportional to 69,778.71, 104,684.40 and 23,031.54 is: 34,552.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,778.71 : 104,684.40 = 23,031.54 : x
  2. Step 2: Convert to fraction form
    69,778.71/104,684.40 = 23,031.54/x
  3. Step 3: Cross multiply
    69,778.71x = 104,684.40 × 23,031.54
  4. Step 4: Simplify right side
    69,778.71x = 2,411,042,945.98
  5. Step 5: Solve for x
    x = 2,411,042,945.98/69,778.71
  6. Step 6: Final answer
    x = 34,552.70

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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.