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Finding the Fourth Proportional to 77,015.94, 106,280.82 and 43,024.92

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Solution

The fourth proportional to 77,015.94, 106,280.82 and 43,024.92 is: 59,373.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,015.94 : 106,280.82 = 43,024.92 : x
  2. Step 2: Convert to fraction form
    77,015.94/106,280.82 = 43,024.92/x
  3. Step 3: Cross multiply
    77,015.94x = 106,280.82 × 43,024.92
  4. Step 4: Simplify right side
    77,015.94x = 4,572,723,778.03
  5. Step 5: Solve for x
    x = 4,572,723,778.03/77,015.94
  6. Step 6: Final answer
    x = 59,373.73

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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.