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Finding the Fourth Proportional to 57,259.40, 85,889.10 and 33,873.80

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Solution

The fourth proportional to 57,259.40, 85,889.10 and 33,873.80 is: 50,810.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,259.40 : 85,889.10 = 33,873.80 : x
  2. Step 2: Convert to fraction form
    57,259.40/85,889.10 = 33,873.80/x
  3. Step 3: Cross multiply
    57,259.40x = 85,889.10 × 33,873.80
  4. Step 4: Simplify right side
    57,259.40x = 2,909,390,195.58
  5. Step 5: Solve for x
    x = 2,909,390,195.58/57,259.40
  6. Step 6: Final answer
    x = 50,810.70

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Double scale
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Similar ratio
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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.