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Finding the Fourth Proportional to 16,614.58, 22,915.16 and 10,646.81

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Solution

The fourth proportional to 16,614.58, 22,915.16 and 10,646.81 is: 14,684.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,614.58 : 22,915.16 = 10,646.81 : x
  2. Step 2: Convert to fraction form
    16,614.58/22,915.16 = 10,646.81/x
  3. Step 3: Cross multiply
    16,614.58x = 22,915.16 × 10,646.81
  4. Step 4: Simplify right side
    16,614.58x = 243,973,266.68
  5. Step 5: Solve for x
    x = 243,973,266.68/16,614.58
  6. Step 6: Final answer
    x = 14,684.29

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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.