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Finding the Fourth Proportional to 7,201.32, 9,937.74 and 4,014.60

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Solution

The fourth proportional to 7,201.32, 9,937.74 and 4,014.60 is: 5,540.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,201.32 : 9,937.74 = 4,014.60 : x
  2. Step 2: Convert to fraction form
    7,201.32/9,937.74 = 4,014.60/x
  3. Step 3: Cross multiply
    7,201.32x = 9,937.74 × 4,014.60
  4. Step 4: Simplify right side
    7,201.32x = 39,896,051.00
  5. Step 5: Solve for x
    x = 39,896,051.00/7,201.32
  6. Step 6: Final answer
    x = 5,540.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.