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Finding the Fourth Proportional to 7,060.86, 9,739.75 and 4,670.89

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Solution

The fourth proportional to 7,060.86, 9,739.75 and 4,670.89 is: 6,443.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,060.86 : 9,739.75 = 4,670.89 : x
  2. Step 2: Convert to fraction form
    7,060.86/9,739.75 = 4,670.89/x
  3. Step 3: Cross multiply
    7,060.86x = 9,739.75 × 4,670.89
  4. Step 4: Simplify right side
    7,060.86x = 45,493,300.88
  5. Step 5: Solve for x
    x = 45,493,300.88/7,060.86
  6. Step 6: Final answer
    x = 6,443.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.