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Finding the Fourth Proportional to 8,898.88, 13,348.95 and 2,658.82

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Solution

The fourth proportional to 8,898.88, 13,348.95 and 2,658.82 is: 3,988.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898.88 : 13,348.95 = 2,658.82 : x
  2. Step 2: Convert to fraction form
    8,898.88/13,348.95 = 2,658.82/x
  3. Step 3: Cross multiply
    8,898.88x = 13,348.95 × 2,658.82
  4. Step 4: Simplify right side
    8,898.88x = 35,492,455.24
  5. Step 5: Solve for x
    x = 35,492,455.24/8,898.88
  6. Step 6: Final answer
    x = 3,988.42

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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.