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Finding the Fourth Proportional to 21,927.04, 32,889.28 and 6,344.32

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Solution

The fourth proportional to 21,927.04, 32,889.28 and 6,344.32 is: 9,516.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,927.04 : 32,889.28 = 6,344.32 : x
  2. Step 2: Convert to fraction form
    21,927.04/32,889.28 = 6,344.32/x
  3. Step 3: Cross multiply
    21,927.04x = 32,889.28 × 6,344.32
  4. Step 4: Simplify right side
    21,927.04x = 208,660,116.89
  5. Step 5: Solve for x
    x = 208,660,116.89/21,927.04
  6. Step 6: Final answer
    x = 9,516.11

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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.