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Finding the Fourth Proportional to 19,055, 26,295.90 and 10,671.50

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Solution

The fourth proportional to 19,055, 26,295.90 and 10,671.50 is: 14,726.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,055 : 26,295.90 = 10,671.50 : x
  2. Step 2: Convert to fraction form
    19,055/26,295.90 = 10,671.50/x
  3. Step 3: Cross multiply
    19,055x = 26,295.90 × 10,671.50
  4. Step 4: Simplify right side
    19,055x = 280,616,696.85
  5. Step 5: Solve for x
    x = 280,616,696.85/19,055
  6. Step 6: Final answer
    x = 14,726.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.