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Finding the Fourth Proportional to 21,520.32, 32,264.58 and 9,044.04

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Solution

The fourth proportional to 21,520.32, 32,264.58 and 9,044.04 is: 13,559.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,520.32 : 32,264.58 = 9,044.04 : x
  2. Step 2: Convert to fraction form
    21,520.32/32,264.58 = 9,044.04/x
  3. Step 3: Cross multiply
    21,520.32x = 32,264.58 × 9,044.04
  4. Step 4: Simplify right side
    21,520.32x = 291,802,152.10
  5. Step 5: Solve for x
    x = 291,802,152.10/21,520.32
  6. Step 6: Final answer
    x = 13,559.38

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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.