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Finding the Fourth Proportional to 16,423.71, 22,664.74 and 9,350.13

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Solution

The fourth proportional to 16,423.71, 22,664.74 and 9,350.13 is: 12,903.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,423.71 : 22,664.74 = 9,350.13 : x
  2. Step 2: Convert to fraction form
    16,423.71/22,664.74 = 9,350.13/x
  3. Step 3: Cross multiply
    16,423.71x = 22,664.74 × 9,350.13
  4. Step 4: Simplify right side
    16,423.71x = 211,918,265.42
  5. Step 5: Solve for x
    x = 211,918,265.42/16,423.71
  6. Step 6: Final answer
    x = 12,903.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.