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Finding the Fourth Proportional to 6,370.11, 8,783.24 and 5,903.55

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Solution

The fourth proportional to 6,370.11, 8,783.24 and 5,903.55 is: 8,139.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,370.11 : 8,783.24 = 5,903.55 : x
  2. Step 2: Convert to fraction form
    6,370.11/8,783.24 = 5,903.55/x
  3. Step 3: Cross multiply
    6,370.11x = 8,783.24 × 5,903.55
  4. Step 4: Simplify right side
    6,370.11x = 51,852,266.98
  5. Step 5: Solve for x
    x = 51,852,266.98/6,370.11
  6. Step 6: Final answer
    x = 8,139.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.