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Finding the Fourth Proportional to 62,015.66, 85,477.54 and 47,474.85

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Solution

The fourth proportional to 62,015.66, 85,477.54 and 47,474.85 is: 65,435.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,015.66 : 85,477.54 = 47,474.85 : x
  2. Step 2: Convert to fraction form
    62,015.66/85,477.54 = 47,474.85/x
  3. Step 3: Cross multiply
    62,015.66x = 85,477.54 × 47,474.85
  4. Step 4: Simplify right side
    62,015.66x = 4,058,033,389.87
  5. Step 5: Solve for x
    x = 4,058,033,389.87/62,015.66
  6. Step 6: Final answer
    x = 65,435.62

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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.