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Finding the Fourth Proportional to 7,068.10, 10,602.15 and 3,604.90

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Solution

The fourth proportional to 7,068.10, 10,602.15 and 3,604.90 is: 5,407.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068.10 : 10,602.15 = 3,604.90 : x
  2. Step 2: Convert to fraction form
    7,068.10/10,602.15 = 3,604.90/x
  3. Step 3: Cross multiply
    7,068.10x = 10,602.15 × 3,604.90
  4. Step 4: Simplify right side
    7,068.10x = 38,219,690.54
  5. Step 5: Solve for x
    x = 38,219,690.54/7,068.10
  6. Step 6: Final answer
    x = 5,407.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.