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Finding the Fourth Proportional to 1,707.68, 2,356.57 and 1,000.01

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Solution

The fourth proportional to 1,707.68, 2,356.57 and 1,000.01 is: 1,380.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707.68 : 2,356.57 = 1,000.01 : x
  2. Step 2: Convert to fraction form
    1,707.68/2,356.57 = 1,000.01/x
  3. Step 3: Cross multiply
    1,707.68x = 2,356.57 × 1,000.01
  4. Step 4: Simplify right side
    1,707.68x = 2,356,593.57
  5. Step 5: Solve for x
    x = 2,356,593.57/1,707.68
  6. Step 6: Final answer
    x = 1,380.00

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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.