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Finding the Fourth Proportional to 8,808.22, 12,155.70 and 5,032

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Solution

The fourth proportional to 8,808.22, 12,155.70 and 5,032 is: 6,944.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.22 : 12,155.70 = 5,032 : x
  2. Step 2: Convert to fraction form
    8,808.22/12,155.70 = 5,032/x
  3. Step 3: Cross multiply
    8,808.22x = 12,155.70 × 5,032
  4. Step 4: Simplify right side
    8,808.22x = 61,167,482.40
  5. Step 5: Solve for x
    x = 61,167,482.40/8,808.22
  6. Step 6: Final answer
    x = 6,944.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.