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Finding the Fourth Proportional to 16,465.01, 22,721.99 and 8,911.49

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Solution

The fourth proportional to 16,465.01, 22,721.99 and 8,911.49 is: 12,298.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,465.01 : 22,721.99 = 8,911.49 : x
  2. Step 2: Convert to fraction form
    16,465.01/22,721.99 = 8,911.49/x
  3. Step 3: Cross multiply
    16,465.01x = 22,721.99 × 8,911.49
  4. Step 4: Simplify right side
    16,465.01x = 202,486,628.50
  5. Step 5: Solve for x
    x = 202,486,628.50/16,465.01
  6. Step 6: Final answer
    x = 12,298.00

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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.