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Finding the Fourth Proportional to 35,804.36, 53,721.71 and 19,160.07

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Solution

The fourth proportional to 35,804.36, 53,721.71 and 19,160.07 is: 28,748.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,804.36 : 53,721.71 = 19,160.07 : x
  2. Step 2: Convert to fraction form
    35,804.36/53,721.71 = 19,160.07/x
  3. Step 3: Cross multiply
    35,804.36x = 53,721.71 × 19,160.07
  4. Step 4: Simplify right side
    35,804.36x = 1,029,311,628.32
  5. Step 5: Solve for x
    x = 1,029,311,628.32/35,804.36
  6. Step 6: Final answer
    x = 28,748.22

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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.