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Finding the Fourth Proportional to 34,851.69, 52,277.54 and 12,660.93

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Solution

The fourth proportional to 34,851.69, 52,277.54 and 12,660.93 is: 18,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,851.69 : 52,277.54 = 12,660.93 : x
  2. Step 2: Convert to fraction form
    34,851.69/52,277.54 = 12,660.93/x
  3. Step 3: Cross multiply
    34,851.69x = 52,277.54 × 12,660.93
  4. Step 4: Simplify right side
    34,851.69x = 661,882,211.21
  5. Step 5: Solve for x
    x = 661,882,211.21/34,851.69
  6. Step 6: Final answer
    x = 18,991.40

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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.