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Finding the Fourth Proportional to 12,803.62, 19,201.10 and 6,225.62

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Solution

The fourth proportional to 12,803.62, 19,201.10 and 6,225.62 is: 9,336.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,803.62 : 19,201.10 = 6,225.62 : x
  2. Step 2: Convert to fraction form
    12,803.62/19,201.10 = 6,225.62/x
  3. Step 3: Cross multiply
    12,803.62x = 19,201.10 × 6,225.62
  4. Step 4: Simplify right side
    12,803.62x = 119,538,752.18
  5. Step 5: Solve for x
    x = 119,538,752.18/12,803.62
  6. Step 6: Final answer
    x = 9,336.32

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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.