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Finding the Fourth Proportional to 35,493.80, 53,246.97 and 12,114.77

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Solution

The fourth proportional to 35,493.80, 53,246.97 and 12,114.77 is: 18,174.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,493.80 : 53,246.97 = 12,114.77 : x
  2. Step 2: Convert to fraction form
    35,493.80/53,246.97 = 12,114.77/x
  3. Step 3: Cross multiply
    35,493.80x = 53,246.97 × 12,114.77
  4. Step 4: Simplify right side
    35,493.80x = 645,074,528.51
  5. Step 5: Solve for x
    x = 645,074,528.51/35,493.80
  6. Step 6: Final answer
    x = 18,174.29

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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.