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Finding the Fourth Proportional to 19,893.54, 29,834.21 and 6,564.08

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Solution

The fourth proportional to 19,893.54, 29,834.21 and 6,564.08 is: 9,844.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,893.54 : 29,834.21 = 6,564.08 : x
  2. Step 2: Convert to fraction form
    19,893.54/29,834.21 = 6,564.08/x
  3. Step 3: Cross multiply
    19,893.54x = 29,834.21 × 6,564.08
  4. Step 4: Simplify right side
    19,893.54x = 195,834,141.18
  5. Step 5: Solve for x
    x = 195,834,141.18/19,893.54
  6. Step 6: Final answer
    x = 9,844.11

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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.