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Finding the Fourth Proportional to 9,734.40, 14,608.80 and 6,446.40

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Solution

The fourth proportional to 9,734.40, 14,608.80 and 6,446.40 is: 9,674.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,734.40 : 14,608.80 = 6,446.40 : x
  2. Step 2: Convert to fraction form
    9,734.40/14,608.80 = 6,446.40/x
  3. Step 3: Cross multiply
    9,734.40x = 14,608.80 × 6,446.40
  4. Step 4: Simplify right side
    9,734.40x = 94,174,168.32
  5. Step 5: Solve for x
    x = 94,174,168.32/9,734.40
  6. Step 6: Final answer
    x = 9,674.37

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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.