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Finding the Fourth Proportional to 52,551.55, 72,522.68 and 28,679.76

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Solution

The fourth proportional to 52,551.55, 72,522.68 and 28,679.76 is: 39,578.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,551.55 : 72,522.68 = 28,679.76 : x
  2. Step 2: Convert to fraction form
    52,551.55/72,522.68 = 28,679.76/x
  3. Step 3: Cross multiply
    52,551.55x = 72,522.68 × 28,679.76
  4. Step 4: Simplify right side
    52,551.55x = 2,079,933,056.96
  5. Step 5: Solve for x
    x = 2,079,933,056.96/52,551.55
  6. Step 6: Final answer
    x = 39,578.91

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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.