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Finding the Fourth Proportional to 6,315.51, 9,473.25 and 2,153.52

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Solution

The fourth proportional to 6,315.51, 9,473.25 and 2,153.52 is: 3,230.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315.51 : 9,473.25 = 2,153.52 : x
  2. Step 2: Convert to fraction form
    6,315.51/9,473.25 = 2,153.52/x
  3. Step 3: Cross multiply
    6,315.51x = 9,473.25 × 2,153.52
  4. Step 4: Simplify right side
    6,315.51x = 20,400,833.34
  5. Step 5: Solve for x
    x = 20,400,833.34/6,315.51
  6. Step 6: Final answer
    x = 3,230.27

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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.