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Finding the Fourth Proportional to 40,339.80, 60,509.70 and 22,843.80

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Solution

The fourth proportional to 40,339.80, 60,509.70 and 22,843.80 is: 34,265.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,339.80 : 60,509.70 = 22,843.80 : x
  2. Step 2: Convert to fraction form
    40,339.80/60,509.70 = 22,843.80/x
  3. Step 3: Cross multiply
    40,339.80x = 60,509.70 × 22,843.80
  4. Step 4: Simplify right side
    40,339.80x = 1,382,271,484.86
  5. Step 5: Solve for x
    x = 1,382,271,484.86/40,339.80
  6. Step 6: Final answer
    x = 34,265.70

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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.