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Finding the Fourth Proportional to 22,101.64, 33,096.14 and 21,445

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Solution

The fourth proportional to 22,101.64, 33,096.14 and 21,445 is: 32,112.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,101.64 : 33,096.14 = 21,445 : x
  2. Step 2: Convert to fraction form
    22,101.64/33,096.14 = 21,445/x
  3. Step 3: Cross multiply
    22,101.64x = 33,096.14 × 21,445
  4. Step 4: Simplify right side
    22,101.64x = 709,746,722.30
  5. Step 5: Solve for x
    x = 709,746,722.30/22,101.64
  6. Step 6: Final answer
    x = 32,112.85

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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.