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Finding the Fourth Proportional to 17,211.34, 25,818.29 and 8,886.16

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Solution

The fourth proportional to 17,211.34, 25,818.29 and 8,886.16 is: 13,329.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,211.34 : 25,818.29 = 8,886.16 : x
  2. Step 2: Convert to fraction form
    17,211.34/25,818.29 = 8,886.16/x
  3. Step 3: Cross multiply
    17,211.34x = 25,818.29 × 8,886.16
  4. Step 4: Simplify right side
    17,211.34x = 229,425,455.87
  5. Step 5: Solve for x
    x = 229,425,455.87/17,211.34
  6. Step 6: Final answer
    x = 13,329.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.