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Finding the Fourth Proportional to 69,617.77, 96,069.95 and 37,785.99

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Solution

The fourth proportional to 69,617.77, 96,069.95 and 37,785.99 is: 52,143.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,617.77 : 96,069.95 = 37,785.99 : x
  2. Step 2: Convert to fraction form
    69,617.77/96,069.95 = 37,785.99/x
  3. Step 3: Cross multiply
    69,617.77x = 96,069.95 × 37,785.99
  4. Step 4: Simplify right side
    69,617.77x = 3,630,098,155.18
  5. Step 5: Solve for x
    x = 3,630,098,155.18/69,617.77
  6. Step 6: Final answer
    x = 52,143.27

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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.