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Finding the Fourth Proportional to 47,077.52, 70,616.17 and 12,017.17

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Solution

The fourth proportional to 47,077.52, 70,616.17 and 12,017.17 is: 18,025.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,077.52 : 70,616.17 = 12,017.17 : x
  2. Step 2: Convert to fraction form
    47,077.52/70,616.17 = 12,017.17/x
  3. Step 3: Cross multiply
    47,077.52x = 70,616.17 × 12,017.17
  4. Step 4: Simplify right side
    47,077.52x = 848,606,622.93
  5. Step 5: Solve for x
    x = 848,606,622.93/47,077.52
  6. Step 6: Final answer
    x = 18,025.73

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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.