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Finding the Fourth Proportional to 16,860.94, 25,292.63 and 6,472.69

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Solution

The fourth proportional to 16,860.94, 25,292.63 and 6,472.69 is: 9,709.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,860.94 : 25,292.63 = 6,472.69 : x
  2. Step 2: Convert to fraction form
    16,860.94/25,292.63 = 6,472.69/x
  3. Step 3: Cross multiply
    16,860.94x = 25,292.63 × 6,472.69
  4. Step 4: Simplify right side
    16,860.94x = 163,711,306.22
  5. Step 5: Solve for x
    x = 163,711,306.22/16,860.94
  6. Step 6: Final answer
    x = 9,709.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.