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Finding the Fourth Proportional to 5,568.45, 8,303.53 and 5,518.45

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Solution

The fourth proportional to 5,568.45, 8,303.53 and 5,518.45 is: 8,228.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,568.45 : 8,303.53 = 5,518.45 : x
  2. Step 2: Convert to fraction form
    5,568.45/8,303.53 = 5,518.45/x
  3. Step 3: Cross multiply
    5,568.45x = 8,303.53 × 5,518.45
  4. Step 4: Simplify right side
    5,568.45x = 45,822,615.13
  5. Step 5: Solve for x
    x = 45,822,615.13/5,568.45
  6. Step 6: Final answer
    x = 8,228.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.