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Finding the Fourth Proportional to 19,338.10, 29,007.15 and 10,590.10

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Solution

The fourth proportional to 19,338.10, 29,007.15 and 10,590.10 is: 15,885.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,338.10 : 29,007.15 = 10,590.10 : x
  2. Step 2: Convert to fraction form
    19,338.10/29,007.15 = 10,590.10/x
  3. Step 3: Cross multiply
    19,338.10x = 29,007.15 × 10,590.10
  4. Step 4: Simplify right side
    19,338.10x = 307,188,619.22
  5. Step 5: Solve for x
    x = 307,188,619.22/19,338.10
  6. Step 6: Final answer
    x = 15,885.15

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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.