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Finding the Fourth Proportional to 37,244.48, 51,390.02 and 20,892.20

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Solution

The fourth proportional to 37,244.48, 51,390.02 and 20,892.20 is: 28,827.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,244.48 : 51,390.02 = 20,892.20 : x
  2. Step 2: Convert to fraction form
    37,244.48/51,390.02 = 20,892.20/x
  3. Step 3: Cross multiply
    37,244.48x = 51,390.02 × 20,892.20
  4. Step 4: Simplify right side
    37,244.48x = 1,073,650,575.84
  5. Step 5: Solve for x
    x = 1,073,650,575.84/37,244.48
  6. Step 6: Final answer
    x = 28,827.11

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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.