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Finding the Fourth Proportional to 34,002.40, 46,917.84 and 18,894.80

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Solution

The fourth proportional to 34,002.40, 46,917.84 and 18,894.80 is: 26,071.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,002.40 : 46,917.84 = 18,894.80 : x
  2. Step 2: Convert to fraction form
    34,002.40/46,917.84 = 18,894.80/x
  3. Step 3: Cross multiply
    34,002.40x = 46,917.84 × 18,894.80
  4. Step 4: Simplify right side
    34,002.40x = 886,503,203.23
  5. Step 5: Solve for x
    x = 886,503,203.23/34,002.40
  6. Step 6: Final answer
    x = 26,071.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.