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Finding the Fourth Proportional to 8,887.84, 13,345.46 and 7,519.16

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Solution

The fourth proportional to 8,887.84, 13,345.46 and 7,519.16 is: 11,290.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887.84 : 13,345.46 = 7,519.16 : x
  2. Step 2: Convert to fraction form
    8,887.84/13,345.46 = 7,519.16/x
  3. Step 3: Cross multiply
    8,887.84x = 13,345.46 × 7,519.16
  4. Step 4: Simplify right side
    8,887.84x = 100,346,649.01
  5. Step 5: Solve for x
    x = 100,346,649.01/8,887.84
  6. Step 6: Final answer
    x = 11,290.33

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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.