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Finding the Fourth Proportional to 8,300.53, 11,454.70 and 4,574.53

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Solution

The fourth proportional to 8,300.53, 11,454.70 and 4,574.53 is: 6,312.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,300.53 : 11,454.70 = 4,574.53 : x
  2. Step 2: Convert to fraction form
    8,300.53/11,454.70 = 4,574.53/x
  3. Step 3: Cross multiply
    8,300.53x = 11,454.70 × 4,574.53
  4. Step 4: Simplify right side
    8,300.53x = 52,399,868.79
  5. Step 5: Solve for x
    x = 52,399,868.79/8,300.53
  6. Step 6: Final answer
    x = 6,312.83

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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.