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Finding the Fourth Proportional to 23,660.79, 35,489.97 and 7,020.96

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Solution

The fourth proportional to 23,660.79, 35,489.97 and 7,020.96 is: 10,531.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,660.79 : 35,489.97 = 7,020.96 : x
  2. Step 2: Convert to fraction form
    23,660.79/35,489.97 = 7,020.96/x
  3. Step 3: Cross multiply
    23,660.79x = 35,489.97 × 7,020.96
  4. Step 4: Simplify right side
    23,660.79x = 249,173,659.77
  5. Step 5: Solve for x
    x = 249,173,659.77/23,660.79
  6. Step 6: Final answer
    x = 10,531.08

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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.