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Finding the Fourth Proportional to 30,653.94, 45,994.94 and 15,854.84

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Solution

The fourth proportional to 30,653.94, 45,994.94 and 15,854.84 is: 23,789.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,653.94 : 45,994.94 = 15,854.84 : x
  2. Step 2: Convert to fraction form
    30,653.94/45,994.94 = 15,854.84/x
  3. Step 3: Cross multiply
    30,653.94x = 45,994.94 × 15,854.84
  4. Step 4: Simplify right side
    30,653.94x = 729,242,337.20
  5. Step 5: Solve for x
    x = 729,242,337.20/30,653.94
  6. Step 6: Final answer
    x = 23,789.51

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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.