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Finding the Fourth Proportional to 3,297.48, 4,549.94 and 1,971.10

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Solution

The fourth proportional to 3,297.48, 4,549.94 and 1,971.10 is: 2,719.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,297.48 : 4,549.94 = 1,971.10 : x
  2. Step 2: Convert to fraction form
    3,297.48/4,549.94 = 1,971.10/x
  3. Step 3: Cross multiply
    3,297.48x = 4,549.94 × 1,971.10
  4. Step 4: Simplify right side
    3,297.48x = 8,968,386.73
  5. Step 5: Solve for x
    x = 8,968,386.73/3,297.48
  6. Step 6: Final answer
    x = 2,719.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.