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Finding the Fourth Proportional to 13,246.84, 19,863.86 and 7,701.80

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Solution

The fourth proportional to 13,246.84, 19,863.86 and 7,701.80 is: 11,548.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246.84 : 19,863.86 = 7,701.80 : x
  2. Step 2: Convert to fraction form
    13,246.84/19,863.86 = 7,701.80/x
  3. Step 3: Cross multiply
    13,246.84x = 19,863.86 × 7,701.80
  4. Step 4: Simplify right side
    13,246.84x = 152,987,476.95
  5. Step 5: Solve for x
    x = 152,987,476.95/13,246.84
  6. Step 6: Final answer
    x = 11,548.98

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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.