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Finding the Fourth Proportional to 69,285.93, 103,928.90 and 16,695.47

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Solution

The fourth proportional to 69,285.93, 103,928.90 and 16,695.47 is: 25,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,285.93 : 103,928.90 = 16,695.47 : x
  2. Step 2: Convert to fraction form
    69,285.93/103,928.90 = 16,695.47/x
  3. Step 3: Cross multiply
    69,285.93x = 103,928.90 × 16,695.47
  4. Step 4: Simplify right side
    69,285.93x = 1,735,141,228.96
  5. Step 5: Solve for x
    x = 1,735,141,228.96/69,285.93
  6. Step 6: Final answer
    x = 25,043.20

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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.