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Finding the Fourth Proportional to 7,550.16, 10,418.13 and 4,405.74

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Solution

The fourth proportional to 7,550.16, 10,418.13 and 4,405.74 is: 6,079.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,550.16 : 10,418.13 = 4,405.74 : x
  2. Step 2: Convert to fraction form
    7,550.16/10,418.13 = 4,405.74/x
  3. Step 3: Cross multiply
    7,550.16x = 10,418.13 × 4,405.74
  4. Step 4: Simplify right side
    7,550.16x = 45,899,572.07
  5. Step 5: Solve for x
    x = 45,899,572.07/7,550.16
  6. Step 6: Final answer
    x = 6,079.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.