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Finding the Fourth Proportional to 10,351.70, 15,527.70 and 2,956.16

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Solution

The fourth proportional to 10,351.70, 15,527.70 and 2,956.16 is: 4,434.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351.70 : 15,527.70 = 2,956.16 : x
  2. Step 2: Convert to fraction form
    10,351.70/15,527.70 = 2,956.16/x
  3. Step 3: Cross multiply
    10,351.70x = 15,527.70 × 2,956.16
  4. Step 4: Simplify right side
    10,351.70x = 45,902,365.63
  5. Step 5: Solve for x
    x = 45,902,365.63/10,351.70
  6. Step 6: Final answer
    x = 4,434.28

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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.