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Finding the Fourth Proportional to 25,341.42, 34,971.03 and 14,163.42

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Solution

The fourth proportional to 25,341.42, 34,971.03 and 14,163.42 is: 19,545.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,341.42 : 34,971.03 = 14,163.42 : x
  2. Step 2: Convert to fraction form
    25,341.42/34,971.03 = 14,163.42/x
  3. Step 3: Cross multiply
    25,341.42x = 34,971.03 × 14,163.42
  4. Step 4: Simplify right side
    25,341.42x = 495,309,385.72
  5. Step 5: Solve for x
    x = 495,309,385.72/25,341.42
  6. Step 6: Final answer
    x = 19,545.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.