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Finding the Fourth Proportional to 69,885.02, 96,438.03 and 38,053.82

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Solution

The fourth proportional to 69,885.02, 96,438.03 and 38,053.82 is: 52,512.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,885.02 : 96,438.03 = 38,053.82 : x
  2. Step 2: Convert to fraction form
    69,885.02/96,438.03 = 38,053.82/x
  3. Step 3: Cross multiply
    69,885.02x = 96,438.03 × 38,053.82
  4. Step 4: Simplify right side
    69,885.02x = 3,669,834,952.58
  5. Step 5: Solve for x
    x = 3,669,834,952.58/69,885.02
  6. Step 6: Final answer
    x = 52,512.47

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1.5x scale

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.