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Finding the Fourth Proportional to 35,093.81, 48,429.51 and 19,178.51

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Solution

The fourth proportional to 35,093.81, 48,429.51 and 19,178.51 is: 26,466.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,093.81 : 48,429.51 = 19,178.51 : x
  2. Step 2: Convert to fraction form
    35,093.81/48,429.51 = 19,178.51/x
  3. Step 3: Cross multiply
    35,093.81x = 48,429.51 × 19,178.51
  4. Step 4: Simplify right side
    35,093.81x = 928,805,841.83
  5. Step 5: Solve for x
    x = 928,805,841.83/35,093.81
  6. Step 6: Final answer
    x = 26,466.37

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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.