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Finding the Fourth Proportional to 9,373.92, 14,064.43 and 5,628.32

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Solution

The fourth proportional to 9,373.92, 14,064.43 and 5,628.32 is: 8,444.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,373.92 : 14,064.43 = 5,628.32 : x
  2. Step 2: Convert to fraction form
    9,373.92/14,064.43 = 5,628.32/x
  3. Step 3: Cross multiply
    9,373.92x = 14,064.43 × 5,628.32
  4. Step 4: Simplify right side
    9,373.92x = 79,159,014.19
  5. Step 5: Solve for x
    x = 79,159,014.19/9,373.92
  6. Step 6: Final answer
    x = 8,444.61

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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.