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Finding the Fourth Proportional to 2,709.56, 4,053.60 and 2,088.56

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Solution

The fourth proportional to 2,709.56, 4,053.60 and 2,088.56 is: 3,124.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709.56 : 4,053.60 = 2,088.56 : x
  2. Step 2: Convert to fraction form
    2,709.56/4,053.60 = 2,088.56/x
  3. Step 3: Cross multiply
    2,709.56x = 4,053.60 × 2,088.56
  4. Step 4: Simplify right side
    2,709.56x = 8,466,186.82
  5. Step 5: Solve for x
    x = 8,466,186.82/2,709.56
  6. Step 6: Final answer
    x = 3,124.56

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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.