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Finding the Fourth Proportional to 4,700.93, 6,472.51 and 3,991.37

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Solution

The fourth proportional to 4,700.93, 6,472.51 and 3,991.37 is: 5,495.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,700.93 : 6,472.51 = 3,991.37 : x
  2. Step 2: Convert to fraction form
    4,700.93/6,472.51 = 3,991.37/x
  3. Step 3: Cross multiply
    4,700.93x = 6,472.51 × 3,991.37
  4. Step 4: Simplify right side
    4,700.93x = 25,834,182.24
  5. Step 5: Solve for x
    x = 25,834,182.24/4,700.93
  6. Step 6: Final answer
    x = 5,495.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.