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Finding the Fourth Proportional to 64,055.36, 88,400.76 and 35,760.44

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Solution

The fourth proportional to 64,055.36, 88,400.76 and 35,760.44 is: 49,351.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,055.36 : 88,400.76 = 35,760.44 : x
  2. Step 2: Convert to fraction form
    64,055.36/88,400.76 = 35,760.44/x
  3. Step 3: Cross multiply
    64,055.36x = 88,400.76 × 35,760.44
  4. Step 4: Simplify right side
    64,055.36x = 3,161,250,073.93
  5. Step 5: Solve for x
    x = 3,161,250,073.93/64,055.36
  6. Step 6: Final answer
    x = 49,351.84

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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.