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Finding the Fourth Proportional to 17,894.80, 26,842.20 and 16,015.60

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Solution

The fourth proportional to 17,894.80, 26,842.20 and 16,015.60 is: 24,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,894.80 : 26,842.20 = 16,015.60 : x
  2. Step 2: Convert to fraction form
    17,894.80/26,842.20 = 16,015.60/x
  3. Step 3: Cross multiply
    17,894.80x = 26,842.20 × 16,015.60
  4. Step 4: Simplify right side
    17,894.80x = 429,893,938.32
  5. Step 5: Solve for x
    x = 429,893,938.32/17,894.80
  6. Step 6: Final answer
    x = 24,023.40

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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.