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Finding the Fourth Proportional to 47,363.76, 70,934.94 and 37,436.40

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Solution

The fourth proportional to 47,363.76, 70,934.94 and 37,436.40 is: 56,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,363.76 : 70,934.94 = 37,436.40 : x
  2. Step 2: Convert to fraction form
    47,363.76/70,934.94 = 37,436.40/x
  3. Step 3: Cross multiply
    47,363.76x = 70,934.94 × 37,436.40
  4. Step 4: Simplify right side
    47,363.76x = 2,655,548,787.82
  5. Step 5: Solve for x
    x = 2,655,548,787.82/47,363.76
  6. Step 6: Final answer
    x = 56,067.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.