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Finding the Fourth Proportional to 13,085.58, 19,625.58 and 4,318.41

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Solution

The fourth proportional to 13,085.58, 19,625.58 and 4,318.41 is: 6,476.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,085.58 : 19,625.58 = 4,318.41 : x
  2. Step 2: Convert to fraction form
    13,085.58/19,625.58 = 4,318.41/x
  3. Step 3: Cross multiply
    13,085.58x = 19,625.58 × 4,318.41
  4. Step 4: Simplify right side
    13,085.58x = 84,751,300.93
  5. Step 5: Solve for x
    x = 84,751,300.93/13,085.58
  6. Step 6: Final answer
    x = 6,476.69

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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.