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Finding the Fourth Proportional to 25,800.38, 35,605.06 and 14,622.38

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Solution

The fourth proportional to 25,800.38, 35,605.06 and 14,622.38 is: 20,179.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,800.38 : 35,605.06 = 14,622.38 : x
  2. Step 2: Convert to fraction form
    25,800.38/35,605.06 = 14,622.38/x
  3. Step 3: Cross multiply
    25,800.38x = 35,605.06 × 14,622.38
  4. Step 4: Simplify right side
    25,800.38x = 520,630,502.66
  5. Step 5: Solve for x
    x = 520,630,502.66/25,800.38
  6. Step 6: Final answer
    x = 20,179.18

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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.