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Finding the Fourth Proportional to 19,894.73, 29,845.88 and 5,854.73

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Solution

The fourth proportional to 19,894.73, 29,845.88 and 5,854.73 is: 8,783.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,894.73 : 29,845.88 = 5,854.73 : x
  2. Step 2: Convert to fraction form
    19,894.73/29,845.88 = 5,854.73/x
  3. Step 3: Cross multiply
    19,894.73x = 29,845.88 × 5,854.73
  4. Step 4: Simplify right side
    19,894.73x = 174,739,539.74
  5. Step 5: Solve for x
    x = 174,739,539.74/19,894.73
  6. Step 6: Final answer
    x = 8,783.21

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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.