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Finding the Fourth Proportional to 69,973.34, 96,565.84 and 39,763.81

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Solution

The fourth proportional to 69,973.34, 96,565.84 and 39,763.81 is: 54,875.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,973.34 : 96,565.84 = 39,763.81 : x
  2. Step 2: Convert to fraction form
    69,973.34/96,565.84 = 39,763.81/x
  3. Step 3: Cross multiply
    69,973.34x = 96,565.84 × 39,763.81
  4. Step 4: Simplify right side
    69,973.34x = 3,839,825,032.60
  5. Step 5: Solve for x
    x = 3,839,825,032.60/69,973.34
  6. Step 6: Final answer
    x = 54,875.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.