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Finding the Fourth Proportional to 64,072.01, 88,419.02 and 35,393.64

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Solution

The fourth proportional to 64,072.01, 88,419.02 and 35,393.64 is: 48,843.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,072.01 : 88,419.02 = 35,393.64 : x
  2. Step 2: Convert to fraction form
    64,072.01/88,419.02 = 35,393.64/x
  3. Step 3: Cross multiply
    64,072.01x = 88,419.02 × 35,393.64
  4. Step 4: Simplify right side
    64,072.01x = 3,129,470,714.23
  5. Step 5: Solve for x
    x = 3,129,470,714.23/64,072.01
  6. Step 6: Final answer
    x = 48,843.03

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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.