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Finding the Fourth Proportional to 13,843.65, 19,104.29 and 7,556.13

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Solution

The fourth proportional to 13,843.65, 19,104.29 and 7,556.13 is: 10,427.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,843.65 : 19,104.29 = 7,556.13 : x
  2. Step 2: Convert to fraction form
    13,843.65/19,104.29 = 7,556.13/x
  3. Step 3: Cross multiply
    13,843.65x = 19,104.29 × 7,556.13
  4. Step 4: Simplify right side
    13,843.65x = 144,354,461.02
  5. Step 5: Solve for x
    x = 144,354,461.02/13,843.65
  6. Step 6: Final answer
    x = 10,427.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.