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Finding the Fourth Proportional to 61,092.46, 91,653.06 and 18,970.42

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Solution

The fourth proportional to 61,092.46, 91,653.06 and 18,970.42 is: 28,460.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,092.46 : 91,653.06 = 18,970.42 : x
  2. Step 2: Convert to fraction form
    61,092.46/91,653.06 = 18,970.42/x
  3. Step 3: Cross multiply
    61,092.46x = 91,653.06 × 18,970.42
  4. Step 4: Simplify right side
    61,092.46x = 1,738,697,042.49
  5. Step 5: Solve for x
    x = 1,738,697,042.49/61,092.46
  6. Step 6: Final answer
    x = 28,460.09

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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.