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Finding the Fourth Proportional to 69,164.41, 95,455.98 and 38,955.67

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Solution

The fourth proportional to 69,164.41, 95,455.98 and 38,955.67 is: 53,763.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,164.41 : 95,455.98 = 38,955.67 : x
  2. Step 2: Convert to fraction form
    69,164.41/95,455.98 = 38,955.67/x
  3. Step 3: Cross multiply
    69,164.41x = 95,455.98 × 38,955.67
  4. Step 4: Simplify right side
    69,164.41x = 3,718,551,656.41
  5. Step 5: Solve for x
    x = 3,718,551,656.41/69,164.41
  6. Step 6: Final answer
    x = 53,763.95

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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.