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Finding the Fourth Proportional to 84,642.93, 127,022.82 and 29,238.93

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Solution

The fourth proportional to 84,642.93, 127,022.82 and 29,238.93 is: 43,878.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,642.93 : 127,022.82 = 29,238.93 : x
  2. Step 2: Convert to fraction form
    84,642.93/127,022.82 = 29,238.93/x
  3. Step 3: Cross multiply
    84,642.93x = 127,022.82 × 29,238.93
  4. Step 4: Simplify right side
    84,642.93x = 3,714,011,342.38
  5. Step 5: Solve for x
    x = 3,714,011,342.38/84,642.93
  6. Step 6: Final answer
    x = 43,878.58

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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.