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Finding the Fourth Proportional to 12,262.74, 18,393.17 and 4,364.94

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Solution

The fourth proportional to 12,262.74, 18,393.17 and 4,364.94 is: 6,547.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,262.74 : 18,393.17 = 4,364.94 : x
  2. Step 2: Convert to fraction form
    12,262.74/18,393.17 = 4,364.94/x
  3. Step 3: Cross multiply
    12,262.74x = 18,393.17 × 4,364.94
  4. Step 4: Simplify right side
    12,262.74x = 80,285,061.64
  5. Step 5: Solve for x
    x = 80,285,061.64/12,262.74
  6. Step 6: Final answer
    x = 6,547.07

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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.