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Finding the Fourth Proportional to 28,011.60, 41,959.80 and 22,827.60

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Solution

The fourth proportional to 28,011.60, 41,959.80 and 22,827.60 is: 34,194.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,011.60 : 41,959.80 = 22,827.60 : x
  2. Step 2: Convert to fraction form
    28,011.60/41,959.80 = 22,827.60/x
  3. Step 3: Cross multiply
    28,011.60x = 41,959.80 × 22,827.60
  4. Step 4: Simplify right side
    28,011.60x = 957,841,530.48
  5. Step 5: Solve for x
    x = 957,841,530.48/28,011.60
  6. Step 6: Final answer
    x = 34,194.46

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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.