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Finding the Fourth Proportional to 6,443.04, 8,886.46 and 5,548.32

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Solution

The fourth proportional to 6,443.04, 8,886.46 and 5,548.32 is: 7,652.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,443.04 : 8,886.46 = 5,548.32 : x
  2. Step 2: Convert to fraction form
    6,443.04/8,886.46 = 5,548.32/x
  3. Step 3: Cross multiply
    6,443.04x = 8,886.46 × 5,548.32
  4. Step 4: Simplify right side
    6,443.04x = 49,304,945.96
  5. Step 5: Solve for x
    x = 49,304,945.96/6,443.04
  6. Step 6: Final answer
    x = 7,652.44

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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.