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Finding the Fourth Proportional to 16,614.63, 22,929.55 and 9,446.79

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Solution

The fourth proportional to 16,614.63, 22,929.55 and 9,446.79 is: 13,037.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,614.63 : 22,929.55 = 9,446.79 : x
  2. Step 2: Convert to fraction form
    16,614.63/22,929.55 = 9,446.79/x
  3. Step 3: Cross multiply
    16,614.63x = 22,929.55 × 9,446.79
  4. Step 4: Simplify right side
    16,614.63x = 216,610,599.32
  5. Step 5: Solve for x
    x = 216,610,599.32/16,614.63
  6. Step 6: Final answer
    x = 13,037.35

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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.