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Finding the Fourth Proportional to 19,053.51, 28,581.14 and 9,201.07

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Solution

The fourth proportional to 19,053.51, 28,581.14 and 9,201.07 is: 13,802.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,053.51 : 28,581.14 = 9,201.07 : x
  2. Step 2: Convert to fraction form
    19,053.51/28,581.14 = 9,201.07/x
  3. Step 3: Cross multiply
    19,053.51x = 28,581.14 × 9,201.07
  4. Step 4: Simplify right side
    19,053.51x = 262,977,069.82
  5. Step 5: Solve for x
    x = 262,977,069.82/19,053.51
  6. Step 6: Final answer
    x = 13,802.03

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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.