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Finding the Fourth Proportional to 6,328.51, 9,492.77 and 1,648.51

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Solution

The fourth proportional to 6,328.51, 9,492.77 and 1,648.51 is: 2,472.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,328.51 : 9,492.77 = 1,648.51 : x
  2. Step 2: Convert to fraction form
    6,328.51/9,492.77 = 1,648.51/x
  3. Step 3: Cross multiply
    6,328.51x = 9,492.77 × 1,648.51
  4. Step 4: Simplify right side
    6,328.51x = 15,648,926.27
  5. Step 5: Solve for x
    x = 15,648,926.27/6,328.51
  6. Step 6: Final answer
    x = 2,472.77

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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.