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Finding the Fourth Proportional to 4,695.83, 7,043.74 and 1,408.93

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Solution

The fourth proportional to 4,695.83, 7,043.74 and 1,408.93 is: 2,113.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,695.83 : 7,043.74 = 1,408.93 : x
  2. Step 2: Convert to fraction form
    4,695.83/7,043.74 = 1,408.93/x
  3. Step 3: Cross multiply
    4,695.83x = 7,043.74 × 1,408.93
  4. Step 4: Simplify right side
    4,695.83x = 9,924,115.47
  5. Step 5: Solve for x
    x = 9,924,115.47/4,695.83
  6. Step 6: Final answer
    x = 2,113.39

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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.