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Finding the Fourth Proportional to 7,093.40, 10,641.93 and 3,398.48

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Solution

The fourth proportional to 7,093.40, 10,641.93 and 3,398.48 is: 5,098.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,093.40 : 10,641.93 = 3,398.48 : x
  2. Step 2: Convert to fraction form
    7,093.40/10,641.93 = 3,398.48/x
  3. Step 3: Cross multiply
    7,093.40x = 10,641.93 × 3,398.48
  4. Step 4: Simplify right side
    7,093.40x = 36,166,386.27
  5. Step 5: Solve for x
    x = 36,166,386.27/7,093.40
  6. Step 6: Final answer
    x = 5,098.60

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1.5x scale

Why These Related Problems?

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