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Finding the Fourth Proportional to 5,543.58, 7,651.42 and 3,655.51

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Solution

The fourth proportional to 5,543.58, 7,651.42 and 3,655.51 is: 5,045.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,543.58 : 7,651.42 = 3,655.51 : x
  2. Step 2: Convert to fraction form
    5,543.58/7,651.42 = 3,655.51/x
  3. Step 3: Cross multiply
    5,543.58x = 7,651.42 × 3,655.51
  4. Step 4: Simplify right side
    5,543.58x = 27,969,814.06
  5. Step 5: Solve for x
    x = 27,969,814.06/5,543.58
  6. Step 6: Final answer
    x = 5,045.44

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1.5x scale

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.