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Finding the Fourth Proportional to 6,510.16, 8,976.18 and 5,392.36

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Solution

The fourth proportional to 6,510.16, 8,976.18 and 5,392.36 is: 7,434.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,510.16 : 8,976.18 = 5,392.36 : x
  2. Step 2: Convert to fraction form
    6,510.16/8,976.18 = 5,392.36/x
  3. Step 3: Cross multiply
    6,510.16x = 8,976.18 × 5,392.36
  4. Step 4: Simplify right side
    6,510.16x = 48,402,793.98
  5. Step 5: Solve for x
    x = 48,402,793.98/6,510.16
  6. Step 6: Final answer
    x = 7,434.96

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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.