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Finding the Fourth Proportional to 16,823.39, 25,236.02 and 7,461.20

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Solution

The fourth proportional to 16,823.39, 25,236.02 and 7,461.20 is: 11,192.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,823.39 : 25,236.02 = 7,461.20 : x
  2. Step 2: Convert to fraction form
    16,823.39/25,236.02 = 7,461.20/x
  3. Step 3: Cross multiply
    16,823.39x = 25,236.02 × 7,461.20
  4. Step 4: Simplify right side
    16,823.39x = 188,291,074.17
  5. Step 5: Solve for x
    x = 188,291,074.17/16,823.39
  6. Step 6: Final answer
    x = 11,192.22

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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.