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Finding the Fourth Proportional to 37,668.60, 51,978.88 and 22,560.86

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Solution

The fourth proportional to 37,668.60, 51,978.88 and 22,560.86 is: 31,131.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,668.60 : 51,978.88 = 22,560.86 : x
  2. Step 2: Convert to fraction form
    37,668.60/51,978.88 = 22,560.86/x
  3. Step 3: Cross multiply
    37,668.60x = 51,978.88 × 22,560.86
  4. Step 4: Simplify right side
    37,668.60x = 1,172,688,234.64
  5. Step 5: Solve for x
    x = 1,172,688,234.64/37,668.60
  6. Step 6: Final answer
    x = 31,131.72

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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.