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Finding the Fourth Proportional to 11,703, 17,557.54 and 3,495

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Solution

The fourth proportional to 11,703, 17,557.54 and 3,495 is: 5,243.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703 : 17,557.54 = 3,495 : x
  2. Step 2: Convert to fraction form
    11,703/17,557.54 = 3,495/x
  3. Step 3: Cross multiply
    11,703x = 17,557.54 × 3,495
  4. Step 4: Simplify right side
    11,703x = 61,363,602.30
  5. Step 5: Solve for x
    x = 61,363,602.30/11,703
  6. Step 6: Final answer
    x = 5,243.41

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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.