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Finding the Fourth Proportional to 16,918.00, 23,345.01 and 9,363.13

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Solution

The fourth proportional to 16,918.00, 23,345.01 and 9,363.13 is: 12,920.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,918.00 : 23,345.01 = 9,363.13 : x
  2. Step 2: Convert to fraction form
    16,918.00/23,345.01 = 9,363.13/x
  3. Step 3: Cross multiply
    16,918.00x = 23,345.01 × 9,363.13
  4. Step 4: Simplify right side
    16,918.00x = 218,582,305.12
  5. Step 5: Solve for x
    x = 218,582,305.12/16,918.00
  6. Step 6: Final answer
    x = 12,920.11

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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.