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Finding the Fourth Proportional to 9,773.46, 13,479.21 and 8,001.99

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Solution

The fourth proportional to 9,773.46, 13,479.21 and 8,001.99 is: 11,036.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,773.46 : 13,479.21 = 8,001.99 : x
  2. Step 2: Convert to fraction form
    9,773.46/13,479.21 = 8,001.99/x
  3. Step 3: Cross multiply
    9,773.46x = 13,479.21 × 8,001.99
  4. Step 4: Simplify right side
    9,773.46x = 107,860,503.63
  5. Step 5: Solve for x
    x = 107,860,503.63/9,773.46
  6. Step 6: Final answer
    x = 11,036.06

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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.