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Finding the Fourth Proportional to 24,235.92, 36,323.64 and 8,636.40

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Solution

The fourth proportional to 24,235.92, 36,323.64 and 8,636.40 is: 12,943.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,235.92 : 36,323.64 = 8,636.40 : x
  2. Step 2: Convert to fraction form
    24,235.92/36,323.64 = 8,636.40/x
  3. Step 3: Cross multiply
    24,235.92x = 36,323.64 × 8,636.40
  4. Step 4: Simplify right side
    24,235.92x = 313,705,484.50
  5. Step 5: Solve for x
    x = 313,705,484.50/24,235.92
  6. Step 6: Final answer
    x = 12,943.82

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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.