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Finding the Fourth Proportional to 52,697.42, 72,723.02 and 28,823.58

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Solution

The fourth proportional to 52,697.42, 72,723.02 and 28,823.58 is: 39,776.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,697.42 : 72,723.02 = 28,823.58 : x
  2. Step 2: Convert to fraction form
    52,697.42/72,723.02 = 28,823.58/x
  3. Step 3: Cross multiply
    52,697.42x = 72,723.02 × 28,823.58
  4. Step 4: Simplify right side
    52,697.42x = 2,096,137,640.69
  5. Step 5: Solve for x
    x = 2,096,137,640.69/52,697.42
  6. Step 6: Final answer
    x = 39,776.86

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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.