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Finding the Fourth Proportional to 64,995.58, 89,695.74 and 36,705.52

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Solution

The fourth proportional to 64,995.58, 89,695.74 and 36,705.52 is: 50,654.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,995.58 : 89,695.74 = 36,705.52 : x
  2. Step 2: Convert to fraction form
    64,995.58/89,695.74 = 36,705.52/x
  3. Step 3: Cross multiply
    64,995.58x = 89,695.74 × 36,705.52
  4. Step 4: Simplify right side
    64,995.58x = 3,292,328,778.48
  5. Step 5: Solve for x
    x = 3,292,328,778.48/64,995.58
  6. Step 6: Final answer
    x = 50,654.66

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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.