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Finding the Fourth Proportional to 22,675.72, 34,035.12 and 13,927.72

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Solution

The fourth proportional to 22,675.72, 34,035.12 and 13,927.72 is: 20,904.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,675.72 : 34,035.12 = 13,927.72 : x
  2. Step 2: Convert to fraction form
    22,675.72/34,035.12 = 13,927.72/x
  3. Step 3: Cross multiply
    22,675.72x = 34,035.12 × 13,927.72
  4. Step 4: Simplify right side
    22,675.72x = 474,031,621.53
  5. Step 5: Solve for x
    x = 474,031,621.53/22,675.72
  6. Step 6: Final answer
    x = 20,904.81

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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.