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Finding the Fourth Proportional to 4,762.76, 7,134.39 and 2,810.25

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Solution

The fourth proportional to 4,762.76, 7,134.39 and 2,810.25 is: 4,209.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,762.76 : 7,134.39 = 2,810.25 : x
  2. Step 2: Convert to fraction form
    4,762.76/7,134.39 = 2,810.25/x
  3. Step 3: Cross multiply
    4,762.76x = 7,134.39 × 2,810.25
  4. Step 4: Simplify right side
    4,762.76x = 20,049,419.50
  5. Step 5: Solve for x
    x = 20,049,419.50/4,762.76
  6. Step 6: Final answer
    x = 4,209.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.