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Finding the Fourth Proportional to 12,464.01, 18,712.35 and 8,767.98

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Solution

The fourth proportional to 12,464.01, 18,712.35 and 8,767.98 is: 13,163.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464.01 : 18,712.35 = 8,767.98 : x
  2. Step 2: Convert to fraction form
    12,464.01/18,712.35 = 8,767.98/x
  3. Step 3: Cross multiply
    12,464.01x = 18,712.35 × 8,767.98
  4. Step 4: Simplify right side
    12,464.01x = 164,069,510.55
  5. Step 5: Solve for x
    x = 164,069,510.55/12,464.01
  6. Step 6: Final answer
    x = 13,163.46

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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.