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Finding the Fourth Proportional to 52,272.60, 72,147.60 and 32,146.80

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Solution

The fourth proportional to 52,272.60, 72,147.60 and 32,146.80 is: 44,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,272.60 : 72,147.60 = 32,146.80 : x
  2. Step 2: Convert to fraction form
    52,272.60/72,147.60 = 32,146.80/x
  3. Step 3: Cross multiply
    52,272.60x = 72,147.60 × 32,146.80
  4. Step 4: Simplify right side
    52,272.60x = 2,319,314,467.68
  5. Step 5: Solve for x
    x = 2,319,314,467.68/52,272.60
  6. Step 6: Final answer
    x = 44,369.60

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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.