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Finding the Fourth Proportional to 9,924.10, 14,922.60 and 8,320.30

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Solution

The fourth proportional to 9,924.10, 14,922.60 and 8,320.30 is: 12,511.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,924.10 : 14,922.60 = 8,320.30 : x
  2. Step 2: Convert to fraction form
    9,924.10/14,922.60 = 8,320.30/x
  3. Step 3: Cross multiply
    9,924.10x = 14,922.60 × 8,320.30
  4. Step 4: Simplify right side
    9,924.10x = 124,160,508.78
  5. Step 5: Solve for x
    x = 124,160,508.78/9,924.10
  6. Step 6: Final answer
    x = 12,511.01

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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.