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Finding the Fourth Proportional to 1,700.76, 2,549.34 and 726.36

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Solution

The fourth proportional to 1,700.76, 2,549.34 and 726.36 is: 1,088.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700.76 : 2,549.34 = 726.36 : x
  2. Step 2: Convert to fraction form
    1,700.76/2,549.34 = 726.36/x
  3. Step 3: Cross multiply
    1,700.76x = 2,549.34 × 726.36
  4. Step 4: Simplify right side
    1,700.76x = 1,851,738.60
  5. Step 5: Solve for x
    x = 1,851,738.60/1,700.76
  6. Step 6: Final answer
    x = 1,088.77

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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.