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Finding the Fourth Proportional to 19,384.68, 29,077.02 and 5,533.68

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Solution

The fourth proportional to 19,384.68, 29,077.02 and 5,533.68 is: 8,300.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,384.68 : 29,077.02 = 5,533.68 : x
  2. Step 2: Convert to fraction form
    19,384.68/29,077.02 = 5,533.68/x
  3. Step 3: Cross multiply
    19,384.68x = 29,077.02 × 5,533.68
  4. Step 4: Simplify right side
    19,384.68x = 160,902,924.03
  5. Step 5: Solve for x
    x = 160,902,924.03/19,384.68
  6. Step 6: Final answer
    x = 8,300.52

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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.