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Finding the Fourth Proportional to 8,796.98, 12,113.06 and 8,602.58

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Solution

The fourth proportional to 8,796.98, 12,113.06 and 8,602.58 is: 11,845.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,796.98 : 12,113.06 = 8,602.58 : x
  2. Step 2: Convert to fraction form
    8,796.98/12,113.06 = 8,602.58/x
  3. Step 3: Cross multiply
    8,796.98x = 12,113.06 × 8,602.58
  4. Step 4: Simplify right side
    8,796.98x = 104,203,567.69
  5. Step 5: Solve for x
    x = 104,203,567.69/8,796.98
  6. Step 6: Final answer
    x = 11,845.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.