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Finding the Fourth Proportional to 19,295.59, 28,954.49 and 10,410.90

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Solution

The fourth proportional to 19,295.59, 28,954.49 and 10,410.90 is: 15,622.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,295.59 : 28,954.49 = 10,410.90 : x
  2. Step 2: Convert to fraction form
    19,295.59/28,954.49 = 10,410.90/x
  3. Step 3: Cross multiply
    19,295.59x = 28,954.49 × 10,410.90
  4. Step 4: Simplify right side
    19,295.59x = 301,442,412.89
  5. Step 5: Solve for x
    x = 301,442,412.89/19,295.59
  6. Step 6: Final answer
    x = 15,622.35

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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.