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Finding the Fourth Proportional to 17,326.16, 23,903.88 and 9,869.84

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Solution

The fourth proportional to 17,326.16, 23,903.88 and 9,869.84 is: 13,616.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,326.16 : 23,903.88 = 9,869.84 : x
  2. Step 2: Convert to fraction form
    17,326.16/23,903.88 = 9,869.84/x
  3. Step 3: Cross multiply
    17,326.16x = 23,903.88 × 9,869.84
  4. Step 4: Simplify right side
    17,326.16x = 235,927,470.98
  5. Step 5: Solve for x
    x = 235,927,470.98/17,326.16
  6. Step 6: Final answer
    x = 13,616.84

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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.