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Finding the Fourth Proportional to 4,721.83, 7,074.88 and 3,332.88

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Solution

The fourth proportional to 4,721.83, 7,074.88 and 3,332.88 is: 4,993.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.83 : 7,074.88 = 3,332.88 : x
  2. Step 2: Convert to fraction form
    4,721.83/7,074.88 = 3,332.88/x
  3. Step 3: Cross multiply
    4,721.83x = 7,074.88 × 3,332.88
  4. Step 4: Simplify right side
    4,721.83x = 23,579,717.72
  5. Step 5: Solve for x
    x = 23,579,717.72/4,721.83
  6. Step 6: Final answer
    x = 4,993.77

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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.