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Finding the Fourth Proportional to 21,803.66, 32,706.29 and 6,009.95

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Solution

The fourth proportional to 21,803.66, 32,706.29 and 6,009.95 is: 9,015.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,803.66 : 32,706.29 = 6,009.95 : x
  2. Step 2: Convert to fraction form
    21,803.66/32,706.29 = 6,009.95/x
  3. Step 3: Cross multiply
    21,803.66x = 32,706.29 × 6,009.95
  4. Step 4: Simplify right side
    21,803.66x = 196,563,264.38
  5. Step 5: Solve for x
    x = 196,563,264.38/21,803.66
  6. Step 6: Final answer
    x = 9,015.15

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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.