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Finding the Fourth Proportional to 7,445.58, 10,274.88 and 4,088.44

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Solution

The fourth proportional to 7,445.58, 10,274.88 and 4,088.44 is: 5,642.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.58 : 10,274.88 = 4,088.44 : x
  2. Step 2: Convert to fraction form
    7,445.58/10,274.88 = 4,088.44/x
  3. Step 3: Cross multiply
    7,445.58x = 10,274.88 × 4,088.44
  4. Step 4: Simplify right side
    7,445.58x = 42,008,230.39
  5. Step 5: Solve for x
    x = 42,008,230.39/7,445.58
  6. Step 6: Final answer
    x = 5,642.04

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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.