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Finding the Fourth Proportional to 1,707.84, 2,355.84 and 1,592.64

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Solution

The fourth proportional to 1,707.84, 2,355.84 and 1,592.64 is: 2,196.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707.84 : 2,355.84 = 1,592.64 : x
  2. Step 2: Convert to fraction form
    1,707.84/2,355.84 = 1,592.64/x
  3. Step 3: Cross multiply
    1,707.84x = 2,355.84 × 1,592.64
  4. Step 4: Simplify right side
    1,707.84x = 3,752,005.02
  5. Step 5: Solve for x
    x = 3,752,005.02/1,707.84
  6. Step 6: Final answer
    x = 2,196.93

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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.