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Finding the Fourth Proportional to 11,651.40, 17,477.10 and 4,256.10

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Solution

The fourth proportional to 11,651.40, 17,477.10 and 4,256.10 is: 6,384.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,651.40 : 17,477.10 = 4,256.10 : x
  2. Step 2: Convert to fraction form
    11,651.40/17,477.10 = 4,256.10/x
  3. Step 3: Cross multiply
    11,651.40x = 17,477.10 × 4,256.10
  4. Step 4: Simplify right side
    11,651.40x = 74,384,285.31
  5. Step 5: Solve for x
    x = 74,384,285.31/11,651.40
  6. Step 6: Final answer
    x = 6,384.15

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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.