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Finding the Fourth Proportional to 56,626.96, 78,122.20 and 33,966.96

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Solution

The fourth proportional to 56,626.96, 78,122.20 and 33,966.96 is: 46,860.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,626.96 : 78,122.20 = 33,966.96 : x
  2. Step 2: Convert to fraction form
    56,626.96/78,122.20 = 33,966.96/x
  3. Step 3: Cross multiply
    56,626.96x = 78,122.20 × 33,966.96
  4. Step 4: Simplify right side
    56,626.96x = 2,653,573,642.51
  5. Step 5: Solve for x
    x = 2,653,573,642.51/56,626.96
  6. Step 6: Final answer
    x = 46,860.61

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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.