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Finding the Fourth Proportional to 69,244.86, 103,884.76 and 19,324.91

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Solution

The fourth proportional to 69,244.86, 103,884.76 and 19,324.91 is: 28,992.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,244.86 : 103,884.76 = 19,324.91 : x
  2. Step 2: Convert to fraction form
    69,244.86/103,884.76 = 19,324.91/x
  3. Step 3: Cross multiply
    69,244.86x = 103,884.76 × 19,324.91
  4. Step 4: Simplify right side
    69,244.86x = 2,007,563,117.95
  5. Step 5: Solve for x
    x = 2,007,563,117.95/69,244.86
  6. Step 6: Final answer
    x = 28,992.23

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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.