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Finding the Fourth Proportional to 22,047.52, 33,071.60 and 7,257.60

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Solution

The fourth proportional to 22,047.52, 33,071.60 and 7,257.60 is: 10,886.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,047.52 : 33,071.60 = 7,257.60 : x
  2. Step 2: Convert to fraction form
    22,047.52/33,071.60 = 7,257.60/x
  3. Step 3: Cross multiply
    22,047.52x = 33,071.60 × 7,257.60
  4. Step 4: Simplify right side
    22,047.52x = 240,020,444.16
  5. Step 5: Solve for x
    x = 240,020,444.16/22,047.52
  6. Step 6: Final answer
    x = 10,886.51

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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.