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Finding the Fourth Proportional to 13,080.99, 19,623.93 and 5,295.27

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Solution

The fourth proportional to 13,080.99, 19,623.93 and 5,295.27 is: 7,943.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,080.99 : 19,623.93 = 5,295.27 : x
  2. Step 2: Convert to fraction form
    13,080.99/19,623.93 = 5,295.27/x
  3. Step 3: Cross multiply
    13,080.99x = 19,623.93 × 5,295.27
  4. Step 4: Simplify right side
    13,080.99x = 103,914,007.81
  5. Step 5: Solve for x
    x = 103,914,007.81/13,080.99
  6. Step 6: Final answer
    x = 7,943.89

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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.