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Finding the Fourth Proportional to 47,184.88, 70,787.04 and 39,447.76

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Solution

The fourth proportional to 47,184.88, 70,787.04 and 39,447.76 is: 59,179.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,184.88 : 70,787.04 = 39,447.76 : x
  2. Step 2: Convert to fraction form
    47,184.88/70,787.04 = 39,447.76/x
  3. Step 3: Cross multiply
    47,184.88x = 70,787.04 × 39,447.76
  4. Step 4: Simplify right side
    47,184.88x = 2,792,390,165.03
  5. Step 5: Solve for x
    x = 2,792,390,165.03/47,184.88
  6. Step 6: Final answer
    x = 59,179.77

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1.5x scale

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.