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Finding the Fourth Proportional to 7,348.68, 10,141.07 and 4,118.45

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Solution

The fourth proportional to 7,348.68, 10,141.07 and 4,118.45 is: 5,683.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,348.68 : 10,141.07 = 4,118.45 : x
  2. Step 2: Convert to fraction form
    7,348.68/10,141.07 = 4,118.45/x
  3. Step 3: Cross multiply
    7,348.68x = 10,141.07 × 4,118.45
  4. Step 4: Simplify right side
    7,348.68x = 41,765,461.23
  5. Step 5: Solve for x
    x = 41,765,461.23/7,348.68
  6. Step 6: Final answer
    x = 5,683.40

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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.