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Finding the Fourth Proportional to 13,039.67, 19,510.29 and 7,495.62

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Solution

The fourth proportional to 13,039.67, 19,510.29 and 7,495.62 is: 11,215.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039.67 : 19,510.29 = 7,495.62 : x
  2. Step 2: Convert to fraction form
    13,039.67/19,510.29 = 7,495.62/x
  3. Step 3: Cross multiply
    13,039.67x = 19,510.29 × 7,495.62
  4. Step 4: Simplify right side
    13,039.67x = 146,241,719.93
  5. Step 5: Solve for x
    x = 146,241,719.93/13,039.67
  6. Step 6: Final answer
    x = 11,215.14

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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.