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Finding the Fourth Proportional to 69,443.94, 104,170.80 and 34,374.18

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Solution

The fourth proportional to 69,443.94, 104,170.80 and 34,374.18 is: 51,563.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,443.94 : 104,170.80 = 34,374.18 : x
  2. Step 2: Convert to fraction form
    69,443.94/104,170.80 = 34,374.18/x
  3. Step 3: Cross multiply
    69,443.94x = 104,170.80 × 34,374.18
  4. Step 4: Simplify right side
    69,443.94x = 3,580,785,829.94
  5. Step 5: Solve for x
    x = 3,580,785,829.94/69,443.94
  6. Step 6: Final answer
    x = 51,563.69

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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.