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Finding the Fourth Proportional to 46,508.72, 69,781.72 and 16,928.60

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Solution

The fourth proportional to 46,508.72, 69,781.72 and 16,928.60 is: 25,399.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,508.72 : 69,781.72 = 16,928.60 : x
  2. Step 2: Convert to fraction form
    46,508.72/69,781.72 = 16,928.60/x
  3. Step 3: Cross multiply
    46,508.72x = 69,781.72 × 16,928.60
  4. Step 4: Simplify right side
    46,508.72x = 1,181,306,825.19
  5. Step 5: Solve for x
    x = 1,181,306,825.19/46,508.72
  6. Step 6: Final answer
    x = 25,399.68

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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.