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Finding the Fourth Proportional to 8,586.74, 12,884.94 and 4,637.94

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Solution

The fourth proportional to 8,586.74, 12,884.94 and 4,637.94 is: 6,959.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586.74 : 12,884.94 = 4,637.94 : x
  2. Step 2: Convert to fraction form
    8,586.74/12,884.94 = 4,637.94/x
  3. Step 3: Cross multiply
    8,586.74x = 12,884.94 × 4,637.94
  4. Step 4: Simplify right side
    8,586.74x = 59,759,578.62
  5. Step 5: Solve for x
    x = 59,759,578.62/8,586.74
  6. Step 6: Final answer
    x = 6,959.52

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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.