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Finding the Fourth Proportional to 14,000.87, 20,994.01 and 6,603.34

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Solution

The fourth proportional to 14,000.87, 20,994.01 and 6,603.34 is: 9,901.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.87 : 20,994.01 = 6,603.34 : x
  2. Step 2: Convert to fraction form
    14,000.87/20,994.01 = 6,603.34/x
  3. Step 3: Cross multiply
    14,000.87x = 20,994.01 × 6,603.34
  4. Step 4: Simplify right side
    14,000.87x = 138,630,448.01
  5. Step 5: Solve for x
    x = 138,630,448.01/14,000.87
  6. Step 6: Final answer
    x = 9,901.56

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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.