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Finding the Fourth Proportional to 52,848.60, 79,272.90 and 32,112.60

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Solution

The fourth proportional to 52,848.60, 79,272.90 and 32,112.60 is: 48,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,848.60 : 79,272.90 = 32,112.60 : x
  2. Step 2: Convert to fraction form
    52,848.60/79,272.90 = 32,112.60/x
  3. Step 3: Cross multiply
    52,848.60x = 79,272.90 × 32,112.60
  4. Step 4: Simplify right side
    52,848.60x = 2,545,658,928.54
  5. Step 5: Solve for x
    x = 2,545,658,928.54/52,848.60
  6. Step 6: Final answer
    x = 48,168.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.