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Finding the Fourth Proportional to 4,675.36, 7,018.11 and 4,158.68

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Solution

The fourth proportional to 4,675.36, 7,018.11 and 4,158.68 is: 6,242.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,675.36 : 7,018.11 = 4,158.68 : x
  2. Step 2: Convert to fraction form
    4,675.36/7,018.11 = 4,158.68/x
  3. Step 3: Cross multiply
    4,675.36x = 7,018.11 × 4,158.68
  4. Step 4: Simplify right side
    4,675.36x = 29,186,073.69
  5. Step 5: Solve for x
    x = 29,186,073.69/4,675.36
  6. Step 6: Final answer
    x = 6,242.53

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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.