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Finding the Fourth Proportional to 33,065.66, 45,636.22 and 19,644.16

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Solution

The fourth proportional to 33,065.66, 45,636.22 and 19,644.16 is: 27,112.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,065.66 : 45,636.22 = 19,644.16 : x
  2. Step 2: Convert to fraction form
    33,065.66/45,636.22 = 19,644.16/x
  3. Step 3: Cross multiply
    33,065.66x = 45,636.22 × 19,644.16
  4. Step 4: Simplify right side
    33,065.66x = 896,484,881.07
  5. Step 5: Solve for x
    x = 896,484,881.07/33,065.66
  6. Step 6: Final answer
    x = 27,112.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.