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Finding the Fourth Proportional to 1,699.86, 2,346.03 and 1,001.22

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Solution

The fourth proportional to 1,699.86, 2,346.03 and 1,001.22 is: 1,381.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699.86 : 2,346.03 = 1,001.22 : x
  2. Step 2: Convert to fraction form
    1,699.86/2,346.03 = 1,001.22/x
  3. Step 3: Cross multiply
    1,699.86x = 2,346.03 × 1,001.22
  4. Step 4: Simplify right side
    1,699.86x = 2,348,892.16
  5. Step 5: Solve for x
    x = 2,348,892.16/1,699.86
  6. Step 6: Final answer
    x = 1,381.82

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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.