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Finding the Fourth Proportional to 8,998.88, 13,499.76 and 4,068.32

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Solution

The fourth proportional to 8,998.88, 13,499.76 and 4,068.32 is: 6,103.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998.88 : 13,499.76 = 4,068.32 : x
  2. Step 2: Convert to fraction form
    8,998.88/13,499.76 = 4,068.32/x
  3. Step 3: Cross multiply
    8,998.88x = 13,499.76 × 4,068.32
  4. Step 4: Simplify right side
    8,998.88x = 54,921,343.60
  5. Step 5: Solve for x
    x = 54,921,343.60/8,998.88
  6. Step 6: Final answer
    x = 6,103.13

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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.