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Finding the Fourth Proportional to 9,090.70, 13,603.65 and 6,304.30

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Solution

The fourth proportional to 9,090.70, 13,603.65 and 6,304.30 is: 9,433.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090.70 : 13,603.65 = 6,304.30 : x
  2. Step 2: Convert to fraction form
    9,090.70/13,603.65 = 6,304.30/x
  3. Step 3: Cross multiply
    9,090.70x = 13,603.65 × 6,304.30
  4. Step 4: Simplify right side
    9,090.70x = 85,761,490.70
  5. Step 5: Solve for x
    x = 85,761,490.70/9,090.70
  6. Step 6: Final answer
    x = 9,433.98

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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.