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Finding the Fourth Proportional to 60,838.80, 84,015.26 and 57,525.49

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Solution

The fourth proportional to 60,838.80, 84,015.26 and 57,525.49 is: 79,439.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,838.80 : 84,015.26 = 57,525.49 : x
  2. Step 2: Convert to fraction form
    60,838.80/84,015.26 = 57,525.49/x
  3. Step 3: Cross multiply
    60,838.80x = 84,015.26 × 57,525.49
  4. Step 4: Simplify right side
    60,838.80x = 4,833,018,998.98
  5. Step 5: Solve for x
    x = 4,833,018,998.98/60,838.80
  6. Step 6: Final answer
    x = 79,439.75

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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.