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Finding the Fourth Proportional to 8,967.68, 13,448.77 and 7,208.51

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Solution

The fourth proportional to 8,967.68, 13,448.77 and 7,208.51 is: 10,810.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,967.68 : 13,448.77 = 7,208.51 : x
  2. Step 2: Convert to fraction form
    8,967.68/13,448.77 = 7,208.51/x
  3. Step 3: Cross multiply
    8,967.68x = 13,448.77 × 7,208.51
  4. Step 4: Simplify right side
    8,967.68x = 96,945,559.41
  5. Step 5: Solve for x
    x = 96,945,559.41/8,967.68
  6. Step 6: Final answer
    x = 10,810.56

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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.