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Finding the Fourth Proportional to 5,668.30, 8,480.58 and 5,653.72

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Solution

The fourth proportional to 5,668.30, 8,480.58 and 5,653.72 is: 8,458.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,668.30 : 8,480.58 = 5,653.72 : x
  2. Step 2: Convert to fraction form
    5,668.30/8,480.58 = 5,653.72/x
  3. Step 3: Cross multiply
    5,668.30x = 8,480.58 × 5,653.72
  4. Step 4: Simplify right side
    5,668.30x = 47,946,824.76
  5. Step 5: Solve for x
    x = 47,946,824.76/5,668.30
  6. Step 6: Final answer
    x = 8,458.77

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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.