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Finding the Fourth Proportional to 5,652.78, 8,477.82 and 1,955.14

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Solution

The fourth proportional to 5,652.78, 8,477.82 and 1,955.14 is: 2,932.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,652.78 : 8,477.82 = 1,955.14 : x
  2. Step 2: Convert to fraction form
    5,652.78/8,477.82 = 1,955.14/x
  3. Step 3: Cross multiply
    5,652.78x = 8,477.82 × 1,955.14
  4. Step 4: Simplify right side
    5,652.78x = 16,575,324.99
  5. Step 5: Solve for x
    x = 16,575,324.99/5,652.78
  6. Step 6: Final answer
    x = 2,932.24

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Double scale
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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.