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Finding the Fourth Proportional to 5,653.28, 8,479.92 and 5,523.68

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Solution

The fourth proportional to 5,653.28, 8,479.92 and 5,523.68 is: 8,285.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653.28 : 8,479.92 = 5,523.68 : x
  2. Step 2: Convert to fraction form
    5,653.28/8,479.92 = 5,523.68/x
  3. Step 3: Cross multiply
    5,653.28x = 8,479.92 × 5,523.68
  4. Step 4: Simplify right side
    5,653.28x = 46,840,364.51
  5. Step 5: Solve for x
    x = 46,840,364.51/5,653.28
  6. Step 6: Final answer
    x = 8,285.52

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Half scale
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Double scale
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Similar ratio
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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.