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Finding the Fourth Proportional to 1,712, 2,362.56 and 966.19

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Solution

The fourth proportional to 1,712, 2,362.56 and 966.19 is: 1,333.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712 : 2,362.56 = 966.19 : x
  2. Step 2: Convert to fraction form
    1,712/2,362.56 = 966.19/x
  3. Step 3: Cross multiply
    1,712x = 2,362.56 × 966.19
  4. Step 4: Simplify right side
    1,712x = 2,282,681.85
  5. Step 5: Solve for x
    x = 2,282,681.85/1,712
  6. Step 6: Final answer
    x = 1,333.34

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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.