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Finding the Fourth Proportional to 8,866.26, 13,307.63 and 4,486.82

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Solution

The fourth proportional to 8,866.26, 13,307.63 and 4,486.82 is: 6,734.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866.26 : 13,307.63 = 4,486.82 : x
  2. Step 2: Convert to fraction form
    8,866.26/13,307.63 = 4,486.82/x
  3. Step 3: Cross multiply
    8,866.26x = 13,307.63 × 4,486.82
  4. Step 4: Simplify right side
    8,866.26x = 59,708,851.46
  5. Step 5: Solve for x
    x = 59,708,851.46/8,866.26
  6. Step 6: Final answer
    x = 6,734.39

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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.