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Finding the Fourth Proportional to 35,455.58, 48,928.25 and 19,539.68

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Solution

The fourth proportional to 35,455.58, 48,928.25 and 19,539.68 is: 26,964.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,455.58 : 48,928.25 = 19,539.68 : x
  2. Step 2: Convert to fraction form
    35,455.58/48,928.25 = 19,539.68/x
  3. Step 3: Cross multiply
    35,455.58x = 48,928.25 × 19,539.68
  4. Step 4: Simplify right side
    35,455.58x = 956,042,005.62
  5. Step 5: Solve for x
    x = 956,042,005.62/35,455.58
  6. Step 6: Final answer
    x = 26,964.50

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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.