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Finding the Fourth Proportional to 60,932.81, 91,362.30 and 39,847.39

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Solution

The fourth proportional to 60,932.81, 91,362.30 and 39,847.39 is: 59,746.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,932.81 : 91,362.30 = 39,847.39 : x
  2. Step 2: Convert to fraction form
    60,932.81/91,362.30 = 39,847.39/x
  3. Step 3: Cross multiply
    60,932.81x = 91,362.30 × 39,847.39
  4. Step 4: Simplify right side
    60,932.81x = 3,640,549,199.40
  5. Step 5: Solve for x
    x = 3,640,549,199.40/60,932.81
  6. Step 6: Final answer
    x = 59,746.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.