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Finding the Fourth Proportional to 64,951.60, 97,427.40 and 33,458.80

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Solution

The fourth proportional to 64,951.60, 97,427.40 and 33,458.80 is: 50,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,951.60 : 97,427.40 = 33,458.80 : x
  2. Step 2: Convert to fraction form
    64,951.60/97,427.40 = 33,458.80/x
  3. Step 3: Cross multiply
    64,951.60x = 97,427.40 × 33,458.80
  4. Step 4: Simplify right side
    64,951.60x = 3,259,803,891.12
  5. Step 5: Solve for x
    x = 3,259,803,891.12/64,951.60
  6. Step 6: Final answer
    x = 50,188.20

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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.