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Finding the Fourth Proportional to 19,602.88, 29,404.34 and 10,856.26

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Solution

The fourth proportional to 19,602.88, 29,404.34 and 10,856.26 is: 16,284.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,602.88 : 29,404.34 = 10,856.26 : x
  2. Step 2: Convert to fraction form
    19,602.88/29,404.34 = 10,856.26/x
  3. Step 3: Cross multiply
    19,602.88x = 29,404.34 × 10,856.26
  4. Step 4: Simplify right side
    19,602.88x = 319,221,160.17
  5. Step 5: Solve for x
    x = 319,221,160.17/19,602.88
  6. Step 6: Final answer
    x = 16,284.40

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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.