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Finding the Fourth Proportional to 8,014.95, 12,017.70 and 2,748.15

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Solution

The fourth proportional to 8,014.95, 12,017.70 and 2,748.15 is: 4,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,014.95 : 12,017.70 = 2,748.15 : x
  2. Step 2: Convert to fraction form
    8,014.95/12,017.70 = 2,748.15/x
  3. Step 3: Cross multiply
    8,014.95x = 12,017.70 × 2,748.15
  4. Step 4: Simplify right side
    8,014.95x = 33,026,442.26
  5. Step 5: Solve for x
    x = 33,026,442.26/8,014.95
  6. Step 6: Final answer
    x = 4,120.60

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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.