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Finding the Fourth Proportional to 19,476.06, 29,215.06 and 9,489.98

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Solution

The fourth proportional to 19,476.06, 29,215.06 and 9,489.98 is: 14,235.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,476.06 : 29,215.06 = 9,489.98 : x
  2. Step 2: Convert to fraction form
    19,476.06/29,215.06 = 9,489.98/x
  3. Step 3: Cross multiply
    19,476.06x = 29,215.06 × 9,489.98
  4. Step 4: Simplify right side
    19,476.06x = 277,250,335.10
  5. Step 5: Solve for x
    x = 277,250,335.10/19,476.06
  6. Step 6: Final answer
    x = 14,235.44

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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.