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Finding the Fourth Proportional to 3,507.71, 4,840.99 and 2,621.97

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Solution

The fourth proportional to 3,507.71, 4,840.99 and 2,621.97 is: 3,618.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.71 : 4,840.99 = 2,621.97 : x
  2. Step 2: Convert to fraction form
    3,507.71/4,840.99 = 2,621.97/x
  3. Step 3: Cross multiply
    3,507.71x = 4,840.99 × 2,621.97
  4. Step 4: Simplify right side
    3,507.71x = 12,692,924.00
  5. Step 5: Solve for x
    x = 12,692,924.00/3,507.71
  6. Step 6: Final answer
    x = 3,618.58

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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.