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Finding the Fourth Proportional to 47,607.09, 65,764.80 and 44,064.15

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Solution

The fourth proportional to 47,607.09, 65,764.80 and 44,064.15 is: 60,870.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,607.09 : 65,764.80 = 44,064.15 : x
  2. Step 2: Convert to fraction form
    47,607.09/65,764.80 = 44,064.15/x
  3. Step 3: Cross multiply
    47,607.09x = 65,764.80 × 44,064.15
  4. Step 4: Simplify right side
    47,607.09x = 2,897,870,011.92
  5. Step 5: Solve for x
    x = 2,897,870,011.92/47,607.09
  6. Step 6: Final answer
    x = 60,870.56

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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.