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Finding the Fourth Proportional to 19,373.92, 29,063.04 and 6,221.68

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Solution

The fourth proportional to 19,373.92, 29,063.04 and 6,221.68 is: 9,333.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,373.92 : 29,063.04 = 6,221.68 : x
  2. Step 2: Convert to fraction form
    19,373.92/29,063.04 = 6,221.68/x
  3. Step 3: Cross multiply
    19,373.92x = 29,063.04 × 6,221.68
  4. Step 4: Simplify right side
    19,373.92x = 180,820,934.71
  5. Step 5: Solve for x
    x = 180,820,934.71/19,373.92
  6. Step 6: Final answer
    x = 9,333.21

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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.