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Finding the Fourth Proportional to 11,360.40, 17,040.60 and 4,434.90

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Solution

The fourth proportional to 11,360.40, 17,040.60 and 4,434.90 is: 6,652.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,360.40 : 17,040.60 = 4,434.90 : x
  2. Step 2: Convert to fraction form
    11,360.40/17,040.60 = 4,434.90/x
  3. Step 3: Cross multiply
    11,360.40x = 17,040.60 × 4,434.90
  4. Step 4: Simplify right side
    11,360.40x = 75,573,356.94
  5. Step 5: Solve for x
    x = 75,573,356.94/11,360.40
  6. Step 6: Final answer
    x = 6,652.35

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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.