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Finding the Fourth Proportional to 5,656.94, 7,806.46 and 3,104.76

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Solution

The fourth proportional to 5,656.94, 7,806.46 and 3,104.76 is: 4,284.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,656.94 : 7,806.46 = 3,104.76 : x
  2. Step 2: Convert to fraction form
    5,656.94/7,806.46 = 3,104.76/x
  3. Step 3: Cross multiply
    5,656.94x = 7,806.46 × 3,104.76
  4. Step 4: Simplify right side
    5,656.94x = 24,237,184.75
  5. Step 5: Solve for x
    x = 24,237,184.75/5,656.94
  6. Step 6: Final answer
    x = 4,284.50

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1.5x scale

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.