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Finding the Fourth Proportional to 14,791.77, 22,187.85 and 4,931.10

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Solution

The fourth proportional to 14,791.77, 22,187.85 and 4,931.10 is: 7,396.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,791.77 : 22,187.85 = 4,931.10 : x
  2. Step 2: Convert to fraction form
    14,791.77/22,187.85 = 4,931.10/x
  3. Step 3: Cross multiply
    14,791.77x = 22,187.85 × 4,931.10
  4. Step 4: Simplify right side
    14,791.77x = 109,410,507.14
  5. Step 5: Solve for x
    x = 109,410,507.14/14,791.77
  6. Step 6: Final answer
    x = 7,396.72

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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.