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Finding the Fourth Proportional to 21,624.71, 32,434.28 and 6,835.13

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Solution

The fourth proportional to 21,624.71, 32,434.28 and 6,835.13 is: 10,251.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,624.71 : 32,434.28 = 6,835.13 : x
  2. Step 2: Convert to fraction form
    21,624.71/32,434.28 = 6,835.13/x
  3. Step 3: Cross multiply
    21,624.71x = 32,434.28 × 6,835.13
  4. Step 4: Simplify right side
    21,624.71x = 221,692,323.91
  5. Step 5: Solve for x
    x = 221,692,323.91/21,624.71
  6. Step 6: Final answer
    x = 10,251.81

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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.