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Finding the Fourth Proportional to 13,799.54, 19,045.05 and 7,833.08

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Solution

The fourth proportional to 13,799.54, 19,045.05 and 7,833.08 is: 10,810.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799.54 : 19,045.05 = 7,833.08 : x
  2. Step 2: Convert to fraction form
    13,799.54/19,045.05 = 7,833.08/x
  3. Step 3: Cross multiply
    13,799.54x = 19,045.05 × 7,833.08
  4. Step 4: Simplify right side
    13,799.54x = 149,181,400.25
  5. Step 5: Solve for x
    x = 149,181,400.25/13,799.54
  6. Step 6: Final answer
    x = 10,810.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.