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Finding the Fourth Proportional to 70,760.64, 97,663.64 and 40,566.24

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Solution

The fourth proportional to 70,760.64, 97,663.64 and 40,566.24 is: 55,989.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,760.64 : 97,663.64 = 40,566.24 : x
  2. Step 2: Convert to fraction form
    70,760.64/97,663.64 = 40,566.24/x
  3. Step 3: Cross multiply
    70,760.64x = 97,663.64 × 40,566.24
  4. Step 4: Simplify right side
    70,760.64x = 3,961,846,456.68
  5. Step 5: Solve for x
    x = 3,961,846,456.68/70,760.64
  6. Step 6: Final answer
    x = 55,989.41

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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.