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Finding the Fourth Proportional to 4,695.26, 7,035.94 and 1,918.58

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Solution

The fourth proportional to 4,695.26, 7,035.94 and 1,918.58 is: 2,875.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,695.26 : 7,035.94 = 1,918.58 : x
  2. Step 2: Convert to fraction form
    4,695.26/7,035.94 = 1,918.58/x
  3. Step 3: Cross multiply
    4,695.26x = 7,035.94 × 1,918.58
  4. Step 4: Simplify right side
    4,695.26x = 13,499,013.77
  5. Step 5: Solve for x
    x = 13,499,013.77/4,695.26
  6. Step 6: Final answer
    x = 2,875.03

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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.