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Finding the Fourth Proportional to 19,357.97, 29,036.96 and 5,506.97

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Solution

The fourth proportional to 19,357.97, 29,036.96 and 5,506.97 is: 8,260.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,357.97 : 29,036.96 = 5,506.97 : x
  2. Step 2: Convert to fraction form
    19,357.97/29,036.96 = 5,506.97/x
  3. Step 3: Cross multiply
    19,357.97x = 29,036.96 × 5,506.97
  4. Step 4: Simplify right side
    19,357.97x = 159,905,712.67
  5. Step 5: Solve for x
    x = 159,905,712.67/19,357.97
  6. Step 6: Final answer
    x = 8,260.46

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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.