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Finding the Fourth Proportional to 11,531.07, 17,302.07 and 6,860.30

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Solution

The fourth proportional to 11,531.07, 17,302.07 and 6,860.30 is: 10,293.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531.07 : 17,302.07 = 6,860.30 : x
  2. Step 2: Convert to fraction form
    11,531.07/17,302.07 = 6,860.30/x
  3. Step 3: Cross multiply
    11,531.07x = 17,302.07 × 6,860.30
  4. Step 4: Simplify right side
    11,531.07x = 118,697,470.81
  5. Step 5: Solve for x
    x = 118,697,470.81/11,531.07
  6. Step 6: Final answer
    x = 10,293.71

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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.