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Finding the Fourth Proportional to 13,893.66, 20,841.64 and 4,533.50

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Solution

The fourth proportional to 13,893.66, 20,841.64 and 4,533.50 is: 6,800.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,893.66 : 20,841.64 = 4,533.50 : x
  2. Step 2: Convert to fraction form
    13,893.66/20,841.64 = 4,533.50/x
  3. Step 3: Cross multiply
    13,893.66x = 20,841.64 × 4,533.50
  4. Step 4: Simplify right side
    13,893.66x = 94,485,615.71
  5. Step 5: Solve for x
    x = 94,485,615.71/13,893.66
  6. Step 6: Final answer
    x = 6,800.63

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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.