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Finding the Fourth Proportional to 9,368.58, 14,043.11 and 3,819.63

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Solution

The fourth proportional to 9,368.58, 14,043.11 and 3,819.63 is: 5,725.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,368.58 : 14,043.11 = 3,819.63 : x
  2. Step 2: Convert to fraction form
    9,368.58/14,043.11 = 3,819.63/x
  3. Step 3: Cross multiply
    9,368.58x = 14,043.11 × 3,819.63
  4. Step 4: Simplify right side
    9,368.58x = 53,639,465.15
  5. Step 5: Solve for x
    x = 53,639,465.15/9,368.58
  6. Step 6: Final answer
    x = 5,725.46

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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.