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Finding the Fourth Proportional to 64,280.36, 88,710.18 and 35,984.36

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Solution

The fourth proportional to 64,280.36, 88,710.18 and 35,984.36 is: 49,660.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,280.36 : 88,710.18 = 35,984.36 : x
  2. Step 2: Convert to fraction form
    64,280.36/88,710.18 = 35,984.36/x
  3. Step 3: Cross multiply
    64,280.36x = 88,710.18 × 35,984.36
  4. Step 4: Simplify right side
    64,280.36x = 3,192,179,052.78
  5. Step 5: Solve for x
    x = 3,192,179,052.78/64,280.36
  6. Step 6: Final answer
    x = 49,660.25

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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.