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Finding the Fourth Proportional to 11,656.55, 17,484.84 and 8,898.88

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Solution

The fourth proportional to 11,656.55, 17,484.84 and 8,898.88 is: 13,348.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,656.55 : 17,484.84 = 8,898.88 : x
  2. Step 2: Convert to fraction form
    11,656.55/17,484.84 = 8,898.88/x
  3. Step 3: Cross multiply
    11,656.55x = 17,484.84 × 8,898.88
  4. Step 4: Simplify right side
    11,656.55x = 155,595,492.98
  5. Step 5: Solve for x
    x = 155,595,492.98/11,656.55
  6. Step 6: Final answer
    x = 13,348.33

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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.