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Finding the Fourth Proportional to 14,443.99, 21,626.87 and 7,503.91

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Solution

The fourth proportional to 14,443.99, 21,626.87 and 7,503.91 is: 11,235.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,443.99 : 21,626.87 = 7,503.91 : x
  2. Step 2: Convert to fraction form
    14,443.99/21,626.87 = 7,503.91/x
  3. Step 3: Cross multiply
    14,443.99x = 21,626.87 × 7,503.91
  4. Step 4: Simplify right side
    14,443.99x = 162,285,994.47
  5. Step 5: Solve for x
    x = 162,285,994.47/14,443.99
  6. Step 6: Final answer
    x = 11,235.54

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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.