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Finding the Fourth Proportional to 4,071.07, 5,618.10 and 2,208.07

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Solution

The fourth proportional to 4,071.07, 5,618.10 and 2,208.07 is: 3,047.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.07 : 5,618.10 = 2,208.07 : x
  2. Step 2: Convert to fraction form
    4,071.07/5,618.10 = 2,208.07/x
  3. Step 3: Cross multiply
    4,071.07x = 5,618.10 × 2,208.07
  4. Step 4: Simplify right side
    4,071.07x = 12,405,158.07
  5. Step 5: Solve for x
    x = 12,405,158.07/4,071.07
  6. Step 6: Final answer
    x = 3,047.15

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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.