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Finding the Fourth Proportional to 21,797.66, 32,696.30 and 14,435.06

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Solution

The fourth proportional to 21,797.66, 32,696.30 and 14,435.06 is: 21,652.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,797.66 : 32,696.30 = 14,435.06 : x
  2. Step 2: Convert to fraction form
    21,797.66/32,696.30 = 14,435.06/x
  3. Step 3: Cross multiply
    21,797.66x = 32,696.30 × 14,435.06
  4. Step 4: Simplify right side
    21,797.66x = 471,973,052.28
  5. Step 5: Solve for x
    x = 471,973,052.28/21,797.66
  6. Step 6: Final answer
    x = 21,652.46

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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.