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Finding the Fourth Proportional to 69,291.90, 103,948.74 and 22,533.84

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Solution

The fourth proportional to 69,291.90, 103,948.74 and 22,533.84 is: 33,804.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,291.90 : 103,948.74 = 22,533.84 : x
  2. Step 2: Convert to fraction form
    69,291.90/103,948.74 = 22,533.84/x
  3. Step 3: Cross multiply
    69,291.90x = 103,948.74 × 22,533.84
  4. Step 4: Simplify right side
    69,291.90x = 2,342,364,275.36
  5. Step 5: Solve for x
    x = 2,342,364,275.36/69,291.90
  6. Step 6: Final answer
    x = 33,804.30

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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.