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Finding the Fourth Proportional to 64,970.36, 89,659.08 and 35,162.36

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Solution

The fourth proportional to 64,970.36, 89,659.08 and 35,162.36 is: 48,524.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,970.36 : 89,659.08 = 35,162.36 : x
  2. Step 2: Convert to fraction form
    64,970.36/89,659.08 = 35,162.36/x
  3. Step 3: Cross multiply
    64,970.36x = 89,659.08 × 35,162.36
  4. Step 4: Simplify right side
    64,970.36x = 3,152,624,399.93
  5. Step 5: Solve for x
    x = 3,152,624,399.93/64,970.36
  6. Step 6: Final answer
    x = 48,524.04

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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.