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Finding the Fourth Proportional to 35,455.25, 48,928.25 and 19,322.56

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Solution

The fourth proportional to 35,455.25, 48,928.25 and 19,322.56 is: 26,665.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,455.25 : 48,928.25 = 19,322.56 : x
  2. Step 2: Convert to fraction form
    35,455.25/48,928.25 = 19,322.56/x
  3. Step 3: Cross multiply
    35,455.25x = 48,928.25 × 19,322.56
  4. Step 4: Simplify right side
    35,455.25x = 945,418,949.71
  5. Step 5: Solve for x
    x = 945,418,949.71/35,455.25
  6. Step 6: Final answer
    x = 26,665.14

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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.