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Finding the Fourth Proportional to 11,602.72, 17,404.08 and 4,677.22

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Solution

The fourth proportional to 11,602.72, 17,404.08 and 4,677.22 is: 7,015.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,602.72 : 17,404.08 = 4,677.22 : x
  2. Step 2: Convert to fraction form
    11,602.72/17,404.08 = 4,677.22/x
  3. Step 3: Cross multiply
    11,602.72x = 17,404.08 × 4,677.22
  4. Step 4: Simplify right side
    11,602.72x = 81,402,711.06
  5. Step 5: Solve for x
    x = 81,402,711.06/11,602.72
  6. Step 6: Final answer
    x = 7,015.83

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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.