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Finding the Fourth Proportional to 28,452.56, 42,699.80 and 22,971.44

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Solution

The fourth proportional to 28,452.56, 42,699.80 and 22,971.44 is: 34,474.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,452.56 : 42,699.80 = 22,971.44 : x
  2. Step 2: Convert to fraction form
    28,452.56/42,699.80 = 22,971.44/x
  3. Step 3: Cross multiply
    28,452.56x = 42,699.80 × 22,971.44
  4. Step 4: Simplify right side
    28,452.56x = 980,875,893.71
  5. Step 5: Solve for x
    x = 980,875,893.71/28,452.56
  6. Step 6: Final answer
    x = 34,474.08

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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.