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Finding the Fourth Proportional to 25,620.52, 38,423.90 and 9,822.12

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Solution

The fourth proportional to 25,620.52, 38,423.90 and 9,822.12 is: 14,730.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,620.52 : 38,423.90 = 9,822.12 : x
  2. Step 2: Convert to fraction form
    25,620.52/38,423.90 = 9,822.12/x
  3. Step 3: Cross multiply
    25,620.52x = 38,423.90 × 9,822.12
  4. Step 4: Simplify right side
    25,620.52x = 377,404,156.67
  5. Step 5: Solve for x
    x = 377,404,156.67/25,620.52
  6. Step 6: Final answer
    x = 14,730.54

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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.