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Finding the Fourth Proportional to 9,956.44, 13,741.46 and 7,276.47

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Solution

The fourth proportional to 9,956.44, 13,741.46 and 7,276.47 is: 10,042.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,956.44 : 13,741.46 = 7,276.47 : x
  2. Step 2: Convert to fraction form
    9,956.44/13,741.46 = 7,276.47/x
  3. Step 3: Cross multiply
    9,956.44x = 13,741.46 × 7,276.47
  4. Step 4: Simplify right side
    9,956.44x = 99,989,417.69
  5. Step 5: Solve for x
    x = 99,989,417.69/9,956.44
  6. Step 6: Final answer
    x = 10,042.68

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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.