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Finding the Fourth Proportional to 7,090.37, 10,637.15 and 2,160.40

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Solution

The fourth proportional to 7,090.37, 10,637.15 and 2,160.40 is: 3,241.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.37 : 10,637.15 = 2,160.40 : x
  2. Step 2: Convert to fraction form
    7,090.37/10,637.15 = 2,160.40/x
  3. Step 3: Cross multiply
    7,090.37x = 10,637.15 × 2,160.40
  4. Step 4: Simplify right side
    7,090.37x = 22,980,461.47
  5. Step 5: Solve for x
    x = 22,980,461.47/7,090.37
  6. Step 6: Final answer
    x = 3,241.08

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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.