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Finding the Fourth Proportional to 11,873.34, 17,684.37 and 11,248.74

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Solution

The fourth proportional to 11,873.34, 17,684.37 and 11,248.74 is: 16,754.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,873.34 : 17,684.37 = 11,248.74 : x
  2. Step 2: Convert to fraction form
    11,873.34/17,684.37 = 11,248.74/x
  3. Step 3: Cross multiply
    11,873.34x = 17,684.37 × 11,248.74
  4. Step 4: Simplify right side
    11,873.34x = 198,926,880.19
  5. Step 5: Solve for x
    x = 198,926,880.19/11,873.34
  6. Step 6: Final answer
    x = 16,754.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.