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Finding the Fourth Proportional to 8,583.58, 12,877.80 and 5,076.70

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Solution

The fourth proportional to 8,583.58, 12,877.80 and 5,076.70 is: 7,616.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,583.58 : 12,877.80 = 5,076.70 : x
  2. Step 2: Convert to fraction form
    8,583.58/12,877.80 = 5,076.70/x
  3. Step 3: Cross multiply
    8,583.58x = 12,877.80 × 5,076.70
  4. Step 4: Simplify right side
    8,583.58x = 65,376,727.26
  5. Step 5: Solve for x
    x = 65,376,727.26/8,583.58
  6. Step 6: Final answer
    x = 7,616.49

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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.