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Finding the Fourth Proportional to 6,533.80, 9,786.30 and 3,941.80

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Solution

The fourth proportional to 6,533.80, 9,786.30 and 3,941.80 is: 5,904.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,533.80 : 9,786.30 = 3,941.80 : x
  2. Step 2: Convert to fraction form
    6,533.80/9,786.30 = 3,941.80/x
  3. Step 3: Cross multiply
    6,533.80x = 9,786.30 × 3,941.80
  4. Step 4: Simplify right side
    6,533.80x = 38,575,637.34
  5. Step 5: Solve for x
    x = 38,575,637.34/6,533.80
  6. Step 6: Final answer
    x = 5,904.01

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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.