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Finding the Fourth Proportional to 52,755.60, 72,836.70 and 47,080.62

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Solution

The fourth proportional to 52,755.60, 72,836.70 and 47,080.62 is: 65,001.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,755.60 : 72,836.70 = 47,080.62 : x
  2. Step 2: Convert to fraction form
    52,755.60/72,836.70 = 47,080.62/x
  3. Step 3: Cross multiply
    52,755.60x = 72,836.70 × 47,080.62
  4. Step 4: Simplify right side
    52,755.60x = 3,429,196,994.75
  5. Step 5: Solve for x
    x = 3,429,196,994.75/52,755.60
  6. Step 6: Final answer
    x = 65,001.57

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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.