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Finding the Fourth Proportional to 6,956.79, 9,601.03 and 3,973.07

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Solution

The fourth proportional to 6,956.79, 9,601.03 and 3,973.07 is: 5,483.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,956.79 : 9,601.03 = 3,973.07 : x
  2. Step 2: Convert to fraction form
    6,956.79/9,601.03 = 3,973.07/x
  3. Step 3: Cross multiply
    6,956.79x = 9,601.03 × 3,973.07
  4. Step 4: Simplify right side
    6,956.79x = 38,145,539.23
  5. Step 5: Solve for x
    x = 38,145,539.23/6,956.79
  6. Step 6: Final answer
    x = 5,483.21

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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.