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Finding the Fourth Proportional to 9,055.68, 12,486.32 and 8,495.25

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Solution

The fourth proportional to 9,055.68, 12,486.32 and 8,495.25 is: 11,713.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,055.68 : 12,486.32 = 8,495.25 : x
  2. Step 2: Convert to fraction form
    9,055.68/12,486.32 = 8,495.25/x
  3. Step 3: Cross multiply
    9,055.68x = 12,486.32 × 8,495.25
  4. Step 4: Simplify right side
    9,055.68x = 106,074,367.50
  5. Step 5: Solve for x
    x = 106,074,367.50/9,055.68
  6. Step 6: Final answer
    x = 11,713.57

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Double scale
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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.