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Finding the Fourth Proportional to 70,002.77, 96,601.41 and 39,787.56

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Solution

The fourth proportional to 70,002.77, 96,601.41 and 39,787.56 is: 54,905.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,002.77 : 96,601.41 = 39,787.56 : x
  2. Step 2: Convert to fraction form
    70,002.77/96,601.41 = 39,787.56/x
  3. Step 3: Cross multiply
    70,002.77x = 96,601.41 × 39,787.56
  4. Step 4: Simplify right side
    70,002.77x = 3,843,534,396.46
  5. Step 5: Solve for x
    x = 3,843,534,396.46/70,002.77
  6. Step 6: Final answer
    x = 54,905.47

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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.