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Finding the Fourth Proportional to 1,700.08, 2,550.03 and 725.47

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Solution

The fourth proportional to 1,700.08, 2,550.03 and 725.47 is: 1,088.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700.08 : 2,550.03 = 725.47 : x
  2. Step 2: Convert to fraction form
    1,700.08/2,550.03 = 725.47/x
  3. Step 3: Cross multiply
    1,700.08x = 2,550.03 × 725.47
  4. Step 4: Simplify right side
    1,700.08x = 1,849,970.26
  5. Step 5: Solve for x
    x = 1,849,970.26/1,700.08
  6. Step 6: Final answer
    x = 1,088.17

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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.