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Finding the Fourth Proportional to 23,730.57, 35,590.86 and 8,939.16

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Solution

The fourth proportional to 23,730.57, 35,590.86 and 8,939.16 is: 13,406.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,730.57 : 35,590.86 = 8,939.16 : x
  2. Step 2: Convert to fraction form
    23,730.57/35,590.86 = 8,939.16/x
  3. Step 3: Cross multiply
    23,730.57x = 35,590.86 × 8,939.16
  4. Step 4: Simplify right side
    23,730.57x = 318,152,392.08
  5. Step 5: Solve for x
    x = 318,152,392.08/23,730.57
  6. Step 6: Final answer
    x = 13,406.86

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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.