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Finding the Fourth Proportional to 37,314.23, 55,978.74 and 10,660.45

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Solution

The fourth proportional to 37,314.23, 55,978.74 and 10,660.45 is: 15,992.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,314.23 : 55,978.74 = 10,660.45 : x
  2. Step 2: Convert to fraction form
    37,314.23/55,978.74 = 10,660.45/x
  3. Step 3: Cross multiply
    37,314.23x = 55,978.74 × 10,660.45
  4. Step 4: Simplify right side
    37,314.23x = 596,758,421.40
  5. Step 5: Solve for x
    x = 596,758,421.40/37,314.23
  6. Step 6: Final answer
    x = 15,992.78

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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.