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Finding the Fourth Proportional to 19,384.50, 29,077.02 and 5,533.50

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Solution

The fourth proportional to 19,384.50, 29,077.02 and 5,533.50 is: 8,300.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,384.50 : 29,077.02 = 5,533.50 : x
  2. Step 2: Convert to fraction form
    19,384.50/29,077.02 = 5,533.50/x
  3. Step 3: Cross multiply
    19,384.50x = 29,077.02 × 5,533.50
  4. Step 4: Simplify right side
    19,384.50x = 160,897,690.17
  5. Step 5: Solve for x
    x = 160,897,690.17/19,384.50
  6. Step 6: Final answer
    x = 8,300.33

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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.