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Finding the Fourth Proportional to 19,893.44, 29,840.16 and 10,041.05

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Solution

The fourth proportional to 19,893.44, 29,840.16 and 10,041.05 is: 15,061.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,893.44 : 29,840.16 = 10,041.05 : x
  2. Step 2: Convert to fraction form
    19,893.44/29,840.16 = 10,041.05/x
  3. Step 3: Cross multiply
    19,893.44x = 29,840.16 × 10,041.05
  4. Step 4: Simplify right side
    19,893.44x = 299,626,538.57
  5. Step 5: Solve for x
    x = 299,626,538.57/19,893.44
  6. Step 6: Final answer
    x = 15,061.58

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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.