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Finding the Fourth Proportional to 64,364.40, 96,546.60 and 53,996.40

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Solution

The fourth proportional to 64,364.40, 96,546.60 and 53,996.40 is: 80,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,364.40 : 96,546.60 = 53,996.40 : x
  2. Step 2: Convert to fraction form
    64,364.40/96,546.60 = 53,996.40/x
  3. Step 3: Cross multiply
    64,364.40x = 96,546.60 × 53,996.40
  4. Step 4: Simplify right side
    64,364.40x = 5,213,168,832.24
  5. Step 5: Solve for x
    x = 5,213,168,832.24/64,364.40
  6. Step 6: Final answer
    x = 80,994.60

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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.