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Finding the Fourth Proportional to 46,572.72, 69,843.96 and 20,269.68

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Solution

The fourth proportional to 46,572.72, 69,843.96 and 20,269.68 is: 30,397.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,572.72 : 69,843.96 = 20,269.68 : x
  2. Step 2: Convert to fraction form
    46,572.72/69,843.96 = 20,269.68/x
  3. Step 3: Cross multiply
    46,572.72x = 69,843.96 × 20,269.68
  4. Step 4: Simplify right side
    46,572.72x = 1,415,714,719.13
  5. Step 5: Solve for x
    x = 1,415,714,719.13/46,572.72
  6. Step 6: Final answer
    x = 30,397.94

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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.