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Finding the Fourth Proportional to 21,417.74, 32,126.28 and 5,835.32

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Solution

The fourth proportional to 21,417.74, 32,126.28 and 5,835.32 is: 8,752.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,417.74 : 32,126.28 = 5,835.32 : x
  2. Step 2: Convert to fraction form
    21,417.74/32,126.28 = 5,835.32/x
  3. Step 3: Cross multiply
    21,417.74x = 32,126.28 × 5,835.32
  4. Step 4: Simplify right side
    21,417.74x = 187,467,124.21
  5. Step 5: Solve for x
    x = 187,467,124.21/21,417.74
  6. Step 6: Final answer
    x = 8,752.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.