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Finding the Fourth Proportional to 6,937.43, 10,407.80 and 3,606.80

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Solution

The fourth proportional to 6,937.43, 10,407.80 and 3,606.80 is: 5,411.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,937.43 : 10,407.80 = 3,606.80 : x
  2. Step 2: Convert to fraction form
    6,937.43/10,407.80 = 3,606.80/x
  3. Step 3: Cross multiply
    6,937.43x = 10,407.80 × 3,606.80
  4. Step 4: Simplify right side
    6,937.43x = 37,538,810.02
  5. Step 5: Solve for x
    x = 37,538,810.02/6,937.43
  6. Step 6: Final answer
    x = 5,411.06

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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.