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Finding the Fourth Proportional to 27,893.76, 38,482.25 and 17,819.58

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Solution

The fourth proportional to 27,893.76, 38,482.25 and 17,819.58 is: 24,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,893.76 : 38,482.25 = 17,819.58 : x
  2. Step 2: Convert to fraction form
    27,893.76/38,482.25 = 17,819.58/x
  3. Step 3: Cross multiply
    27,893.76x = 38,482.25 × 17,819.58
  4. Step 4: Simplify right side
    27,893.76x = 685,737,532.46
  5. Step 5: Solve for x
    x = 685,737,532.46/27,893.76
  6. Step 6: Final answer
    x = 24,583.90

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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.