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Finding the Fourth Proportional to 70,659.41, 97,505.39 and 40,444.97

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Solution

The fourth proportional to 70,659.41, 97,505.39 and 40,444.97 is: 55,811.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,659.41 : 97,505.39 = 40,444.97 : x
  2. Step 2: Convert to fraction form
    70,659.41/97,505.39 = 40,444.97/x
  3. Step 3: Cross multiply
    70,659.41x = 97,505.39 × 40,444.97
  4. Step 4: Simplify right side
    70,659.41x = 3,943,602,186.97
  5. Step 5: Solve for x
    x = 3,943,602,186.97/70,659.41
  6. Step 6: Final answer
    x = 55,811.43

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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.