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Finding the Fourth Proportional to 5,606.80, 8,410.20 and 5,606.80

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Solution

The fourth proportional to 5,606.80, 8,410.20 and 5,606.80 is: 8,410.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,606.80 : 8,410.20 = 5,606.80 : x
  2. Step 2: Convert to fraction form
    5,606.80/8,410.20 = 5,606.80/x
  3. Step 3: Cross multiply
    5,606.80x = 8,410.20 × 5,606.80
  4. Step 4: Simplify right side
    5,606.80x = 47,154,309.36
  5. Step 5: Solve for x
    x = 47,154,309.36/5,606.80
  6. Step 6: Final answer
    x = 8,410.20

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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.