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Finding the Fourth Proportional to 7,018.34, 10,535.03 and 6,243.30

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Solution

The fourth proportional to 7,018.34, 10,535.03 and 6,243.30 is: 9,371.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018.34 : 10,535.03 = 6,243.30 : x
  2. Step 2: Convert to fraction form
    7,018.34/10,535.03 = 6,243.30/x
  3. Step 3: Cross multiply
    7,018.34x = 10,535.03 × 6,243.30
  4. Step 4: Simplify right side
    7,018.34x = 65,773,321.58
  5. Step 5: Solve for x
    x = 65,773,321.58/7,018.34
  6. Step 6: Final answer
    x = 9,371.64

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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.