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Finding the Fourth Proportional to 52,516.58, 72,474.64 and 28,644.56

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Solution

The fourth proportional to 52,516.58, 72,474.64 and 28,644.56 is: 39,530.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,516.58 : 72,474.64 = 28,644.56 : x
  2. Step 2: Convert to fraction form
    52,516.58/72,474.64 = 28,644.56/x
  3. Step 3: Cross multiply
    52,516.58x = 72,474.64 × 28,644.56
  4. Step 4: Simplify right side
    52,516.58x = 2,076,004,173.96
  5. Step 5: Solve for x
    x = 2,076,004,173.96/52,516.58
  6. Step 6: Final answer
    x = 39,530.45

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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.