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Finding the Fourth Proportional to 51,673.08, 71,310.10 and 29,317.08

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Solution

The fourth proportional to 51,673.08, 71,310.10 and 29,317.08 is: 40,458.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,673.08 : 71,310.10 = 29,317.08 : x
  2. Step 2: Convert to fraction form
    51,673.08/71,310.10 = 29,317.08/x
  3. Step 3: Cross multiply
    51,673.08x = 71,310.10 × 29,317.08
  4. Step 4: Simplify right side
    51,673.08x = 2,090,603,906.51
  5. Step 5: Solve for x
    x = 2,090,603,906.51/51,673.08
  6. Step 6: Final answer
    x = 40,458.28

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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.