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Finding the Fourth Proportional to 7,303.86, 10,079.69 and 4,118.49

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Solution

The fourth proportional to 7,303.86, 10,079.69 and 4,118.49 is: 5,683.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,303.86 : 10,079.69 = 4,118.49 : x
  2. Step 2: Convert to fraction form
    7,303.86/10,079.69 = 4,118.49/x
  3. Step 3: Cross multiply
    7,303.86x = 10,079.69 × 4,118.49
  4. Step 4: Simplify right side
    7,303.86x = 41,513,081.88
  5. Step 5: Solve for x
    x = 41,513,081.88/7,303.86
  6. Step 6: Final answer
    x = 5,683.72

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