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Finding the Fourth Proportional to 6,496.40, 9,744.60 and 4,941.20

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Solution

The fourth proportional to 6,496.40, 9,744.60 and 4,941.20 is: 7,411.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,496.40 : 9,744.60 = 4,941.20 : x
  2. Step 2: Convert to fraction form
    6,496.40/9,744.60 = 4,941.20/x
  3. Step 3: Cross multiply
    6,496.40x = 9,744.60 × 4,941.20
  4. Step 4: Simplify right side
    6,496.40x = 48,150,017.52
  5. Step 5: Solve for x
    x = 48,150,017.52/6,496.40
  6. Step 6: Final answer
    x = 7,411.80

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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.