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Finding the Fourth Proportional to 6,484.56, 8,950.68 and 4,388.64

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Solution

The fourth proportional to 6,484.56, 8,950.68 and 4,388.64 is: 6,057.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,484.56 : 8,950.68 = 4,388.64 : x
  2. Step 2: Convert to fraction form
    6,484.56/8,950.68 = 4,388.64/x
  3. Step 3: Cross multiply
    6,484.56x = 8,950.68 × 4,388.64
  4. Step 4: Simplify right side
    6,484.56x = 39,281,312.28
  5. Step 5: Solve for x
    x = 39,281,312.28/6,484.56
  6. Step 6: Final answer
    x = 6,057.67

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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.