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Finding the Fourth Proportional to 4,739.67, 7,068.06 and 4,627.89

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Solution

The fourth proportional to 4,739.67, 7,068.06 and 4,627.89 is: 6,901.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.67 : 7,068.06 = 4,627.89 : x
  2. Step 2: Convert to fraction form
    4,739.67/7,068.06 = 4,627.89/x
  3. Step 3: Cross multiply
    4,739.67x = 7,068.06 × 4,627.89
  4. Step 4: Simplify right side
    4,739.67x = 32,710,204.19
  5. Step 5: Solve for x
    x = 32,710,204.19/4,739.67
  6. Step 6: Final answer
    x = 6,901.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.