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Finding the Fourth Proportional to 73,400.95, 101,293.82 and 39,866.95

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Solution

The fourth proportional to 73,400.95, 101,293.82 and 39,866.95 is: 55,016.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,400.95 : 101,293.82 = 39,866.95 : x
  2. Step 2: Convert to fraction form
    73,400.95/101,293.82 = 39,866.95/x
  3. Step 3: Cross multiply
    73,400.95x = 101,293.82 × 39,866.95
  4. Step 4: Simplify right side
    73,400.95x = 4,038,275,657.25
  5. Step 5: Solve for x
    x = 4,038,275,657.25/73,400.95
  6. Step 6: Final answer
    x = 55,016.67

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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.