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Finding the Fourth Proportional to 13,350.74, 19,998.74 and 7,495.06

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Solution

The fourth proportional to 13,350.74, 19,998.74 and 7,495.06 is: 11,227.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350.74 : 19,998.74 = 7,495.06 : x
  2. Step 2: Convert to fraction form
    13,350.74/19,998.74 = 7,495.06/x
  3. Step 3: Cross multiply
    13,350.74x = 19,998.74 × 7,495.06
  4. Step 4: Simplify right side
    13,350.74x = 149,891,756.22
  5. Step 5: Solve for x
    x = 149,891,756.22/13,350.74
  6. Step 6: Final answer
    x = 11,227.22

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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.