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Finding the Fourth Proportional to 1,756.02, 2,632.99 and 716.19

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Solution

The fourth proportional to 1,756.02, 2,632.99 and 716.19 is: 1,073.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.02 : 2,632.99 = 716.19 : x
  2. Step 2: Convert to fraction form
    1,756.02/2,632.99 = 716.19/x
  3. Step 3: Cross multiply
    1,756.02x = 2,632.99 × 716.19
  4. Step 4: Simplify right side
    1,756.02x = 1,885,721.11
  5. Step 5: Solve for x
    x = 1,885,721.11/1,756.02
  6. Step 6: Final answer
    x = 1,073.86

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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.