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Finding the Fourth Proportional to 14,003.35, 21,005.01 and 4,769.35

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Solution

The fourth proportional to 14,003.35, 21,005.01 and 4,769.35 is: 7,154.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003.35 : 21,005.01 = 4,769.35 : x
  2. Step 2: Convert to fraction form
    14,003.35/21,005.01 = 4,769.35/x
  3. Step 3: Cross multiply
    14,003.35x = 21,005.01 × 4,769.35
  4. Step 4: Simplify right side
    14,003.35x = 100,180,244.44
  5. Step 5: Solve for x
    x = 100,180,244.44/14,003.35
  6. Step 6: Final answer
    x = 7,154.02

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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.