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Finding the Fourth Proportional to 6,655.94, 9,188.88 and 4,004

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Solution

The fourth proportional to 6,655.94, 9,188.88 and 4,004 is: 5,527.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,655.94 : 9,188.88 = 4,004 : x
  2. Step 2: Convert to fraction form
    6,655.94/9,188.88 = 4,004/x
  3. Step 3: Cross multiply
    6,655.94x = 9,188.88 × 4,004
  4. Step 4: Simplify right side
    6,655.94x = 36,792,275.52
  5. Step 5: Solve for x
    x = 36,792,275.52/6,655.94
  6. Step 6: Final answer
    x = 5,527.74

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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.