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Finding the Fourth Proportional to 61,723.36, 85,178.36 and 33,429.06

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Solution

The fourth proportional to 61,723.36, 85,178.36 and 33,429.06 is: 46,132.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,723.36 : 85,178.36 = 33,429.06 : x
  2. Step 2: Convert to fraction form
    61,723.36/85,178.36 = 33,429.06/x
  3. Step 3: Cross multiply
    61,723.36x = 85,178.36 × 33,429.06
  4. Step 4: Simplify right side
    61,723.36x = 2,847,432,507.14
  5. Step 5: Solve for x
    x = 2,847,432,507.14/61,723.36
  6. Step 6: Final answer
    x = 46,132.17

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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.