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Finding the Fourth Proportional to 7,094.40, 10,641.92 and 3,201.60

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Solution

The fourth proportional to 7,094.40, 10,641.92 and 3,201.60 is: 4,802.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,094.40 : 10,641.92 = 3,201.60 : x
  2. Step 2: Convert to fraction form
    7,094.40/10,641.92 = 3,201.60/x
  3. Step 3: Cross multiply
    7,094.40x = 10,641.92 × 3,201.60
  4. Step 4: Simplify right side
    7,094.40x = 34,071,171.07
  5. Step 5: Solve for x
    x = 34,071,171.07/7,094.40
  6. Step 6: Final answer
    x = 4,802.54

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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.