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Finding the Fourth Proportional to 1,736.08, 2,605.16 and 710

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Solution

The fourth proportional to 1,736.08, 2,605.16 and 710 is: 1,065.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736.08 : 2,605.16 = 710 : x
  2. Step 2: Convert to fraction form
    1,736.08/2,605.16 = 710/x
  3. Step 3: Cross multiply
    1,736.08x = 2,605.16 × 710
  4. Step 4: Simplify right side
    1,736.08x = 1,849,663.60
  5. Step 5: Solve for x
    x = 1,849,663.60/1,736.08
  6. Step 6: Final answer
    x = 1,065.43

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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.