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Finding the Fourth Proportional to 53,506.98, 73,760.94 and 40,737.87

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Solution

The fourth proportional to 53,506.98, 73,760.94 and 40,737.87 is: 56,158.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,506.98 : 73,760.94 = 40,737.87 : x
  2. Step 2: Convert to fraction form
    53,506.98/73,760.94 = 40,737.87/x
  3. Step 3: Cross multiply
    53,506.98x = 73,760.94 × 40,737.87
  4. Step 4: Simplify right side
    53,506.98x = 3,004,863,584.80
  5. Step 5: Solve for x
    x = 3,004,863,584.80/53,506.98
  6. Step 6: Final answer
    x = 56,158.35

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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.