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Finding the Fourth Proportional to 9,361.41, 14,009.07 and 8,828.55

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Solution

The fourth proportional to 9,361.41, 14,009.07 and 8,828.55 is: 13,211.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,361.41 : 14,009.07 = 8,828.55 : x
  2. Step 2: Convert to fraction form
    9,361.41/14,009.07 = 8,828.55/x
  3. Step 3: Cross multiply
    9,361.41x = 14,009.07 × 8,828.55
  4. Step 4: Simplify right side
    9,361.41x = 123,679,774.95
  5. Step 5: Solve for x
    x = 123,679,774.95/9,361.41
  6. Step 6: Final answer
    x = 13,211.66

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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.