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Finding the Fourth Proportional to 37,602.64, 51,891.44 and 20,835.60

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Solution

The fourth proportional to 37,602.64, 51,891.44 and 20,835.60 is: 28,753.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,602.64 : 51,891.44 = 20,835.60 : x
  2. Step 2: Convert to fraction form
    37,602.64/51,891.44 = 20,835.60/x
  3. Step 3: Cross multiply
    37,602.64x = 51,891.44 × 20,835.60
  4. Step 4: Simplify right side
    37,602.64x = 1,081,189,287.26
  5. Step 5: Solve for x
    x = 1,081,189,287.26/37,602.64
  6. Step 6: Final answer
    x = 28,753.02

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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.