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Finding the Fourth Proportional to 7,232.60, 10,840.80 and 3,071.90

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Solution

The fourth proportional to 7,232.60, 10,840.80 and 3,071.90 is: 4,604.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,232.60 : 10,840.80 = 3,071.90 : x
  2. Step 2: Convert to fraction form
    7,232.60/10,840.80 = 3,071.90/x
  3. Step 3: Cross multiply
    7,232.60x = 10,840.80 × 3,071.90
  4. Step 4: Simplify right side
    7,232.60x = 33,301,853.52
  5. Step 5: Solve for x
    x = 33,301,853.52/7,232.60
  6. Step 6: Final answer
    x = 4,604.41

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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.