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Finding the Fourth Proportional to 7,956.93, 10,980.54 and 4,371.31

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Solution

The fourth proportional to 7,956.93, 10,980.54 and 4,371.31 is: 6,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,956.93 : 10,980.54 = 4,371.31 : x
  2. Step 2: Convert to fraction form
    7,956.93/10,980.54 = 4,371.31/x
  3. Step 3: Cross multiply
    7,956.93x = 10,980.54 × 4,371.31
  4. Step 4: Simplify right side
    7,956.93x = 47,999,358.03
  5. Step 5: Solve for x
    x = 47,999,358.03/7,956.93
  6. Step 6: Final answer
    x = 6,032.40

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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.