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Finding the Fourth Proportional to 35,335.69, 52,916.04 and 19,720.51

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Solution

The fourth proportional to 35,335.69, 52,916.04 and 19,720.51 is: 29,531.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,335.69 : 52,916.04 = 19,720.51 : x
  2. Step 2: Convert to fraction form
    35,335.69/52,916.04 = 19,720.51/x
  3. Step 3: Cross multiply
    35,335.69x = 52,916.04 × 19,720.51
  4. Step 4: Simplify right side
    35,335.69x = 1,043,531,295.98
  5. Step 5: Solve for x
    x = 1,043,531,295.98/35,335.69
  6. Step 6: Final answer
    x = 29,531.93

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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.