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Finding the Fourth Proportional to 60,603.14, 90,919.26 and 19,050.14

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Solution

The fourth proportional to 60,603.14, 90,919.26 and 19,050.14 is: 28,579.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,603.14 : 90,919.26 = 19,050.14 : x
  2. Step 2: Convert to fraction form
    60,603.14/90,919.26 = 19,050.14/x
  3. Step 3: Cross multiply
    60,603.14x = 90,919.26 × 19,050.14
  4. Step 4: Simplify right side
    60,603.14x = 1,732,024,631.70
  5. Step 5: Solve for x
    x = 1,732,024,631.70/60,603.14
  6. Step 6: Final answer
    x = 28,579.78

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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.