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Finding the Fourth Proportional to 19,338.60, 29,007.90 and 9,497.10

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Solution

The fourth proportional to 19,338.60, 29,007.90 and 9,497.10 is: 14,245.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,338.60 : 29,007.90 = 9,497.10 : x
  2. Step 2: Convert to fraction form
    19,338.60/29,007.90 = 9,497.10/x
  3. Step 3: Cross multiply
    19,338.60x = 29,007.90 × 9,497.10
  4. Step 4: Simplify right side
    19,338.60x = 275,490,927.09
  5. Step 5: Solve for x
    x = 275,490,927.09/19,338.60
  6. Step 6: Final answer
    x = 14,245.65

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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.