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Finding the Fourth Proportional to 69,931.74, 104,886.73 and 38,357.33

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Solution

The fourth proportional to 69,931.74, 104,886.73 and 38,357.33 is: 57,530.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,931.74 : 104,886.73 = 38,357.33 : x
  2. Step 2: Convert to fraction form
    69,931.74/104,886.73 = 38,357.33/x
  3. Step 3: Cross multiply
    69,931.74x = 104,886.73 × 38,357.33
  4. Step 4: Simplify right side
    69,931.74x = 4,023,174,915.23
  5. Step 5: Solve for x
    x = 4,023,174,915.23/69,931.74
  6. Step 6: Final answer
    x = 57,530.03

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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.