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Finding the Fourth Proportional to 7,018.08, 10,528.48 and 2,914.08

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Solution

The fourth proportional to 7,018.08, 10,528.48 and 2,914.08 is: 4,371.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018.08 : 10,528.48 = 2,914.08 : x
  2. Step 2: Convert to fraction form
    7,018.08/10,528.48 = 2,914.08/x
  3. Step 3: Cross multiply
    7,018.08x = 10,528.48 × 2,914.08
  4. Step 4: Simplify right side
    7,018.08x = 30,680,833.00
  5. Step 5: Solve for x
    x = 30,680,833.00/7,018.08
  6. Step 6: Final answer
    x = 4,371.68

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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.