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Finding the Fourth Proportional to 5,668.45, 7,826.28 and 5,069.08

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Solution

The fourth proportional to 5,668.45, 7,826.28 and 5,069.08 is: 6,998.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,668.45 : 7,826.28 = 5,069.08 : x
  2. Step 2: Convert to fraction form
    5,668.45/7,826.28 = 5,069.08/x
  3. Step 3: Cross multiply
    5,668.45x = 7,826.28 × 5,069.08
  4. Step 4: Simplify right side
    5,668.45x = 39,672,030.20
  5. Step 5: Solve for x
    x = 39,672,030.20/5,668.45
  6. Step 6: Final answer
    x = 6,998.74

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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.