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Finding the Fourth Proportional to 1,544.68, 2,131.71 and 846.07

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Solution

The fourth proportional to 1,544.68, 2,131.71 and 846.07 is: 1,167.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.68 : 2,131.71 = 846.07 : x
  2. Step 2: Convert to fraction form
    1,544.68/2,131.71 = 846.07/x
  3. Step 3: Cross multiply
    1,544.68x = 2,131.71 × 846.07
  4. Step 4: Simplify right side
    1,544.68x = 1,803,575.88
  5. Step 5: Solve for x
    x = 1,803,575.88/1,544.68
  6. Step 6: Final answer
    x = 1,167.60

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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.