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Finding the Fourth Proportional to 55,959, 77,228.97 and 41,787.24

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Solution

The fourth proportional to 55,959, 77,228.97 and 41,787.24 is: 57,670.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,959 : 77,228.97 = 41,787.24 : x
  2. Step 2: Convert to fraction form
    55,959/77,228.97 = 41,787.24/x
  3. Step 3: Cross multiply
    55,959x = 77,228.97 × 41,787.24
  4. Step 4: Simplify right side
    55,959x = 3,227,185,504.34
  5. Step 5: Solve for x
    x = 3,227,185,504.34/55,959
  6. Step 6: Final answer
    x = 57,670.54

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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.