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Finding the Fourth Proportional to 70,996.54, 97,971.93 and 40,760.59

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Solution

The fourth proportional to 70,996.54, 97,971.93 and 40,760.59 is: 56,247.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,996.54 : 97,971.93 = 40,760.59 : x
  2. Step 2: Convert to fraction form
    70,996.54/97,971.93 = 40,760.59/x
  3. Step 3: Cross multiply
    70,996.54x = 97,971.93 × 40,760.59
  4. Step 4: Simplify right side
    70,996.54x = 3,993,393,670.24
  5. Step 5: Solve for x
    x = 3,993,393,670.24/70,996.54
  6. Step 6: Final answer
    x = 56,247.72

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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.