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Finding the Fourth Proportional to 15,958.79, 23,941.62 and 7,957.92

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Solution

The fourth proportional to 15,958.79, 23,941.62 and 7,957.92 is: 11,938.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,958.79 : 23,941.62 = 7,957.92 : x
  2. Step 2: Convert to fraction form
    15,958.79/23,941.62 = 7,957.92/x
  3. Step 3: Cross multiply
    15,958.79x = 23,941.62 × 7,957.92
  4. Step 4: Simplify right side
    15,958.79x = 190,525,496.63
  5. Step 5: Solve for x
    x = 190,525,496.63/15,958.79
  6. Step 6: Final answer
    x = 11,938.60

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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.