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Finding the Fourth Proportional to 75,737.80, 104,525.94 and 45,532.96

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Solution

The fourth proportional to 75,737.80, 104,525.94 and 45,532.96 is: 62,840.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,737.80 : 104,525.94 = 45,532.96 : x
  2. Step 2: Convert to fraction form
    75,737.80/104,525.94 = 45,532.96/x
  3. Step 3: Cross multiply
    75,737.80x = 104,525.94 × 45,532.96
  4. Step 4: Simplify right side
    75,737.80x = 4,759,375,444.98
  5. Step 5: Solve for x
    x = 4,759,375,444.98/75,737.80
  6. Step 6: Final answer
    x = 62,840.16

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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.