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Finding the Fourth Proportional to 16,605.65, 22,914.96 and 9,434.63

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Solution

The fourth proportional to 16,605.65, 22,914.96 and 9,434.63 is: 13,019.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,605.65 : 22,914.96 = 9,434.63 : x
  2. Step 2: Convert to fraction form
    16,605.65/22,914.96 = 9,434.63/x
  3. Step 3: Cross multiply
    16,605.65x = 22,914.96 × 9,434.63
  4. Step 4: Simplify right side
    16,605.65x = 216,194,054.49
  5. Step 5: Solve for x
    x = 216,194,054.49/16,605.65
  6. Step 6: Final answer
    x = 13,019.31

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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.