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Finding the Fourth Proportional to 14,048.66, 21,066.90 and 7,025.96

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Solution

The fourth proportional to 14,048.66, 21,066.90 and 7,025.96 is: 10,535.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,048.66 : 21,066.90 = 7,025.96 : x
  2. Step 2: Convert to fraction form
    14,048.66/21,066.90 = 7,025.96/x
  3. Step 3: Cross multiply
    14,048.66x = 21,066.90 × 7,025.96
  4. Step 4: Simplify right side
    14,048.66x = 148,015,196.72
  5. Step 5: Solve for x
    x = 148,015,196.72/14,048.66
  6. Step 6: Final answer
    x = 10,535.89

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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.