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Finding the Fourth Proportional to 69,893.84, 96,455.03 and 38,062.74

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Solution

The fourth proportional to 69,893.84, 96,455.03 and 38,062.74 is: 52,527.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,893.84 : 96,455.03 = 38,062.74 : x
  2. Step 2: Convert to fraction form
    69,893.84/96,455.03 = 38,062.74/x
  3. Step 3: Cross multiply
    69,893.84x = 96,455.03 × 38,062.74
  4. Step 4: Simplify right side
    69,893.84x = 3,671,342,728.58
  5. Step 5: Solve for x
    x = 3,671,342,728.58/69,893.84
  6. Step 6: Final answer
    x = 52,527.41

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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.