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Finding the Fourth Proportional to 67,238.40, 92,787.74 and 37,023.06

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Solution

The fourth proportional to 67,238.40, 92,787.74 and 37,023.06 is: 51,091.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,238.40 : 92,787.74 = 37,023.06 : x
  2. Step 2: Convert to fraction form
    67,238.40/92,787.74 = 37,023.06/x
  3. Step 3: Cross multiply
    67,238.40x = 92,787.74 × 37,023.06
  4. Step 4: Simplify right side
    67,238.40x = 3,435,285,880.17
  5. Step 5: Solve for x
    x = 3,435,285,880.17/67,238.40
  6. Step 6: Final answer
    x = 51,091.13

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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.