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Finding the Fourth Proportional to 2,420.99, 3,341.03 and 1,714.08

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Solution

The fourth proportional to 2,420.99, 3,341.03 and 1,714.08 is: 2,365.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420.99 : 3,341.03 = 1,714.08 : x
  2. Step 2: Convert to fraction form
    2,420.99/3,341.03 = 1,714.08/x
  3. Step 3: Cross multiply
    2,420.99x = 3,341.03 × 1,714.08
  4. Step 4: Simplify right side
    2,420.99x = 5,726,784.13
  5. Step 5: Solve for x
    x = 5,726,784.13/2,420.99
  6. Step 6: Final answer
    x = 2,365.48

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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.