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Finding the Fourth Proportional to 11,574.02, 15,972.08 and 6,268.72

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Solution

The fourth proportional to 11,574.02, 15,972.08 and 6,268.72 is: 8,650.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,574.02 : 15,972.08 = 6,268.72 : x
  2. Step 2: Convert to fraction form
    11,574.02/15,972.08 = 6,268.72/x
  3. Step 3: Cross multiply
    11,574.02x = 15,972.08 × 6,268.72
  4. Step 4: Simplify right side
    11,574.02x = 100,124,497.34
  5. Step 5: Solve for x
    x = 100,124,497.34/11,574.02
  6. Step 6: Final answer
    x = 8,650.80

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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.