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Finding the Fourth Proportional to 19,364.73, 29,047.08 and 5,513.73

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Solution

The fourth proportional to 19,364.73, 29,047.08 and 5,513.73 is: 8,270.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,364.73 : 29,047.08 = 5,513.73 : x
  2. Step 2: Convert to fraction form
    19,364.73/29,047.08 = 5,513.73/x
  3. Step 3: Cross multiply
    19,364.73x = 29,047.08 × 5,513.73
  4. Step 4: Simplify right side
    19,364.73x = 160,157,756.41
  5. Step 5: Solve for x
    x = 160,157,756.41/19,364.73
  6. Step 6: Final answer
    x = 8,270.59

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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.