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Finding the Fourth Proportional to 16,696.86, 23,041.68 and 9,623.28

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Solution

The fourth proportional to 16,696.86, 23,041.68 and 9,623.28 is: 13,280.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,696.86 : 23,041.68 = 9,623.28 : x
  2. Step 2: Convert to fraction form
    16,696.86/23,041.68 = 9,623.28/x
  3. Step 3: Cross multiply
    16,696.86x = 23,041.68 × 9,623.28
  4. Step 4: Simplify right side
    16,696.86x = 221,736,538.31
  5. Step 5: Solve for x
    x = 221,736,538.31/16,696.86
  6. Step 6: Final answer
    x = 13,280.13

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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.