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Finding the Fourth Proportional to 7,192.16, 10,785.52 and 4,726.32

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Solution

The fourth proportional to 7,192.16, 10,785.52 and 4,726.32 is: 7,087.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.16 : 10,785.52 = 4,726.32 : x
  2. Step 2: Convert to fraction form
    7,192.16/10,785.52 = 4,726.32/x
  3. Step 3: Cross multiply
    7,192.16x = 10,785.52 × 4,726.32
  4. Step 4: Simplify right side
    7,192.16x = 50,975,818.89
  5. Step 5: Solve for x
    x = 50,975,818.89/7,192.16
  6. Step 6: Final answer
    x = 7,087.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.