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Finding the Fourth Proportional to 16,957.76, 23,403.06 and 9,404.84

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Solution

The fourth proportional to 16,957.76, 23,403.06 and 9,404.84 is: 12,979.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,957.76 : 23,403.06 = 9,404.84 : x
  2. Step 2: Convert to fraction form
    16,957.76/23,403.06 = 9,404.84/x
  3. Step 3: Cross multiply
    16,957.76x = 23,403.06 × 9,404.84
  4. Step 4: Simplify right side
    16,957.76x = 220,102,034.81
  5. Step 5: Solve for x
    x = 220,102,034.81/16,957.76
  6. Step 6: Final answer
    x = 12,979.43

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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.