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Finding the Fourth Proportional to 37,421.75, 56,132.67 and 9,719.75

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Solution

The fourth proportional to 37,421.75, 56,132.67 and 9,719.75 is: 14,579.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,421.75 : 56,132.67 = 9,719.75 : x
  2. Step 2: Convert to fraction form
    37,421.75/56,132.67 = 9,719.75/x
  3. Step 3: Cross multiply
    37,421.75x = 56,132.67 × 9,719.75
  4. Step 4: Simplify right side
    37,421.75x = 545,595,519.23
  5. Step 5: Solve for x
    x = 545,595,519.23/37,421.75
  6. Step 6: Final answer
    x = 14,579.64

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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.