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Finding the Fourth Proportional to 1,699.16, 2,548.73 and 529.13

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Solution

The fourth proportional to 1,699.16, 2,548.73 and 529.13 is: 793.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699.16 : 2,548.73 = 529.13 : x
  2. Step 2: Convert to fraction form
    1,699.16/2,548.73 = 529.13/x
  3. Step 3: Cross multiply
    1,699.16x = 2,548.73 × 529.13
  4. Step 4: Simplify right side
    1,699.16x = 1,348,617.20
  5. Step 5: Solve for x
    x = 1,348,617.20/1,699.16
  6. Step 6: Final answer
    x = 793.70

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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.