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Finding the Fourth Proportional to 47,175.70, 70,763.55 and 47,175.70

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Solution

The fourth proportional to 47,175.70, 70,763.55 and 47,175.70 is: 70,763.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,175.70 : 70,763.55 = 47,175.70 : x
  2. Step 2: Convert to fraction form
    47,175.70/70,763.55 = 47,175.70/x
  3. Step 3: Cross multiply
    47,175.70x = 70,763.55 × 47,175.70
  4. Step 4: Simplify right side
    47,175.70x = 3,338,320,005.74
  5. Step 5: Solve for x
    x = 3,338,320,005.74/47,175.70
  6. Step 6: Final answer
    x = 70,763.55

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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.