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Finding the Fourth Proportional to 2,457.01, 3,390.12 and 2,060.28

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Solution

The fourth proportional to 2,457.01, 3,390.12 and 2,060.28 is: 2,842.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.01 : 3,390.12 = 2,060.28 : x
  2. Step 2: Convert to fraction form
    2,457.01/3,390.12 = 2,060.28/x
  3. Step 3: Cross multiply
    2,457.01x = 3,390.12 × 2,060.28
  4. Step 4: Simplify right side
    2,457.01x = 6,984,596.43
  5. Step 5: Solve for x
    x = 6,984,596.43/2,457.01
  6. Step 6: Final answer
    x = 2,842.72

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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.