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Finding the Fourth Proportional to 7,070.48, 10,606.20 and 3,606.80

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Solution

The fourth proportional to 7,070.48, 10,606.20 and 3,606.80 is: 5,410.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.48 : 10,606.20 = 3,606.80 : x
  2. Step 2: Convert to fraction form
    7,070.48/10,606.20 = 3,606.80/x
  3. Step 3: Cross multiply
    7,070.48x = 10,606.20 × 3,606.80
  4. Step 4: Simplify right side
    7,070.48x = 38,254,442.16
  5. Step 5: Solve for x
    x = 38,254,442.16/7,070.48
  6. Step 6: Final answer
    x = 5,410.44

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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.