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Finding the Fourth Proportional to 35,455.60, 48,928.73 and 19,322.92

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Solution

The fourth proportional to 35,455.60, 48,928.73 and 19,322.92 is: 26,665.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,455.60 : 48,928.73 = 19,322.92 : x
  2. Step 2: Convert to fraction form
    35,455.60/48,928.73 = 19,322.92/x
  3. Step 3: Cross multiply
    35,455.60x = 48,928.73 × 19,322.92
  4. Step 4: Simplify right side
    35,455.60x = 945,445,690.85
  5. Step 5: Solve for x
    x = 945,445,690.85/35,455.60
  6. Step 6: Final answer
    x = 26,665.62

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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.