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Finding the Fourth Proportional to 22,423.32, 33,636.06 and 9,929.88

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Solution

The fourth proportional to 22,423.32, 33,636.06 and 9,929.88 is: 14,895.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,423.32 : 33,636.06 = 9,929.88 : x
  2. Step 2: Convert to fraction form
    22,423.32/33,636.06 = 9,929.88/x
  3. Step 3: Cross multiply
    22,423.32x = 33,636.06 × 9,929.88
  4. Step 4: Simplify right side
    22,423.32x = 334,002,039.47
  5. Step 5: Solve for x
    x = 334,002,039.47/22,423.32
  6. Step 6: Final answer
    x = 14,895.30

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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.