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Finding the Fourth Proportional to 84,689.96, 127,034.94 and 22,361.00

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Solution

The fourth proportional to 84,689.96, 127,034.94 and 22,361.00 is: 33,541.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,689.96 : 127,034.94 = 22,361.00 : x
  2. Step 2: Convert to fraction form
    84,689.96/127,034.94 = 22,361.00/x
  3. Step 3: Cross multiply
    84,689.96x = 127,034.94 × 22,361.00
  4. Step 4: Simplify right side
    84,689.96x = 2,840,627,658.17
  5. Step 5: Solve for x
    x = 2,840,627,658.17/84,689.96
  6. Step 6: Final answer
    x = 33,541.49

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Double scale
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Similar ratio
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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.