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Finding the Fourth Proportional to 16,692.31, 23,036.50 and 9,619.19

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Solution

The fourth proportional to 16,692.31, 23,036.50 and 9,619.19 is: 13,275.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,692.31 : 23,036.50 = 9,619.19 : x
  2. Step 2: Convert to fraction form
    16,692.31/23,036.50 = 9,619.19/x
  3. Step 3: Cross multiply
    16,692.31x = 23,036.50 × 9,619.19
  4. Step 4: Simplify right side
    16,692.31x = 221,592,453.66
  5. Step 5: Solve for x
    x = 221,592,453.66/16,692.31
  6. Step 6: Final answer
    x = 13,275.12

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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.