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Finding the Fourth Proportional to 6,898.56, 9,518.56 and 4,512.03

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Solution

The fourth proportional to 6,898.56, 9,518.56 and 4,512.03 is: 6,225.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,898.56 : 9,518.56 = 4,512.03 : x
  2. Step 2: Convert to fraction form
    6,898.56/9,518.56 = 4,512.03/x
  3. Step 3: Cross multiply
    6,898.56x = 9,518.56 × 4,512.03
  4. Step 4: Simplify right side
    6,898.56x = 42,948,028.28
  5. Step 5: Solve for x
    x = 42,948,028.28/6,898.56
  6. Step 6: Final answer
    x = 6,225.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.