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Finding the Fourth Proportional to 8,586.90, 11,851.02 and 5,050.44

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Solution

The fourth proportional to 8,586.90, 11,851.02 and 5,050.44 is: 6,970.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586.90 : 11,851.02 = 5,050.44 : x
  2. Step 2: Convert to fraction form
    8,586.90/11,851.02 = 5,050.44/x
  3. Step 3: Cross multiply
    8,586.90x = 11,851.02 × 5,050.44
  4. Step 4: Simplify right side
    8,586.90x = 59,852,865.45
  5. Step 5: Solve for x
    x = 59,852,865.45/8,586.90
  6. Step 6: Final answer
    x = 6,970.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.