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Finding the Fourth Proportional to 73,768.63, 110,653.35 and 18,364.63

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Solution

The fourth proportional to 73,768.63, 110,653.35 and 18,364.63 is: 27,547.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,768.63 : 110,653.35 = 18,364.63 : x
  2. Step 2: Convert to fraction form
    73,768.63/110,653.35 = 18,364.63/x
  3. Step 3: Cross multiply
    73,768.63x = 110,653.35 × 18,364.63
  4. Step 4: Simplify right side
    73,768.63x = 2,032,107,185.92
  5. Step 5: Solve for x
    x = 2,032,107,185.92/73,768.63
  6. Step 6: Final answer
    x = 27,547.04

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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.