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Finding the Fourth Proportional to 6,903.77, 10,355.64 and 1,709.64

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Solution

The fourth proportional to 6,903.77, 10,355.64 and 1,709.64 is: 2,564.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,903.77 : 10,355.64 = 1,709.64 : x
  2. Step 2: Convert to fraction form
    6,903.77/10,355.64 = 1,709.64/x
  3. Step 3: Cross multiply
    6,903.77x = 10,355.64 × 1,709.64
  4. Step 4: Simplify right side
    6,903.77x = 17,704,416.37
  5. Step 5: Solve for x
    x = 17,704,416.37/6,903.77
  6. Step 6: Final answer
    x = 2,564.46

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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.