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Finding the Fourth Proportional to 70,342.95, 97,072.66 and 38,077.41

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Solution

The fourth proportional to 70,342.95, 97,072.66 and 38,077.41 is: 52,546.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,342.95 : 97,072.66 = 38,077.41 : x
  2. Step 2: Convert to fraction form
    70,342.95/97,072.66 = 38,077.41/x
  3. Step 3: Cross multiply
    70,342.95x = 97,072.66 × 38,077.41
  4. Step 4: Simplify right side
    70,342.95x = 3,696,275,474.61
  5. Step 5: Solve for x
    x = 3,696,275,474.61/70,342.95
  6. Step 6: Final answer
    x = 52,546.50

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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.