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Finding the Fourth Proportional to 6,487.74, 8,955.27 and 4,500.93

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Solution

The fourth proportional to 6,487.74, 8,955.27 and 4,500.93 is: 6,212.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,487.74 : 8,955.27 = 4,500.93 : x
  2. Step 2: Convert to fraction form
    6,487.74/8,955.27 = 4,500.93/x
  3. Step 3: Cross multiply
    6,487.74x = 8,955.27 × 4,500.93
  4. Step 4: Simplify right side
    6,487.74x = 40,307,043.40
  5. Step 5: Solve for x
    x = 40,307,043.40/6,487.74
  6. Step 6: Final answer
    x = 6,212.80

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Why These Related Problems?

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