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Finding the Fourth Proportional to 19,350.58, 29,038.81 and 7,038.58

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Solution

The fourth proportional to 19,350.58, 29,038.81 and 7,038.58 is: 10,562.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,350.58 : 29,038.81 = 7,038.58 : x
  2. Step 2: Convert to fraction form
    19,350.58/29,038.81 = 7,038.58/x
  3. Step 3: Cross multiply
    19,350.58x = 29,038.81 × 7,038.58
  4. Step 4: Simplify right side
    19,350.58x = 204,391,923.49
  5. Step 5: Solve for x
    x = 204,391,923.49/19,350.58
  6. Step 6: Final answer
    x = 10,562.57

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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.