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Finding the Fourth Proportional to 37,245.55, 55,868.93 and 9,165.69

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Solution

The fourth proportional to 37,245.55, 55,868.93 and 9,165.69 is: 13,748.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,245.55 : 55,868.93 = 9,165.69 : x
  2. Step 2: Convert to fraction form
    37,245.55/55,868.93 = 9,165.69/x
  3. Step 3: Cross multiply
    37,245.55x = 55,868.93 × 9,165.69
  4. Step 4: Simplify right side
    37,245.55x = 512,077,293.01
  5. Step 5: Solve for x
    x = 512,077,293.01/37,245.55
  6. Step 6: Final answer
    x = 13,748.68

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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.