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Finding the Fourth Proportional to 37,143.30, 55,715.07 and 9,441.30

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Solution

The fourth proportional to 37,143.30, 55,715.07 and 9,441.30 is: 14,161.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,143.30 : 55,715.07 = 9,441.30 : x
  2. Step 2: Convert to fraction form
    37,143.30/55,715.07 = 9,441.30/x
  3. Step 3: Cross multiply
    37,143.30x = 55,715.07 × 9,441.30
  4. Step 4: Simplify right side
    37,143.30x = 526,022,690.39
  5. Step 5: Solve for x
    x = 526,022,690.39/37,143.30
  6. Step 6: Final answer
    x = 14,161.98

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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.