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Finding the Fourth Proportional to 16,907.88, 23,332.23 and 9,354.53

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Solution

The fourth proportional to 16,907.88, 23,332.23 and 9,354.53 is: 12,908.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,907.88 : 23,332.23 = 9,354.53 : x
  2. Step 2: Convert to fraction form
    16,907.88/23,332.23 = 9,354.53/x
  3. Step 3: Cross multiply
    16,907.88x = 23,332.23 × 9,354.53
  4. Step 4: Simplify right side
    16,907.88x = 218,261,928.84
  5. Step 5: Solve for x
    x = 218,261,928.84/16,907.88
  6. Step 6: Final answer
    x = 12,908.89

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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.