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Finding the Fourth Proportional to 2,807.01, 4,204.12 and 1,708.95

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Solution

The fourth proportional to 2,807.01, 4,204.12 and 1,708.95 is: 2,559.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807.01 : 4,204.12 = 1,708.95 : x
  2. Step 2: Convert to fraction form
    2,807.01/4,204.12 = 1,708.95/x
  3. Step 3: Cross multiply
    2,807.01x = 4,204.12 × 1,708.95
  4. Step 4: Simplify right side
    2,807.01x = 7,184,630.87
  5. Step 5: Solve for x
    x = 7,184,630.87/2,807.01
  6. Step 6: Final answer
    x = 2,559.53

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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.