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Finding the Fourth Proportional to 8,045.85, 12,068.10 and 2,499.11

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Solution

The fourth proportional to 8,045.85, 12,068.10 and 2,499.11 is: 3,748.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.85 : 12,068.10 = 2,499.11 : x
  2. Step 2: Convert to fraction form
    8,045.85/12,068.10 = 2,499.11/x
  3. Step 3: Cross multiply
    8,045.85x = 12,068.10 × 2,499.11
  4. Step 4: Simplify right side
    8,045.85x = 30,159,449.05
  5. Step 5: Solve for x
    x = 30,159,449.05/8,045.85
  6. Step 6: Final answer
    x = 3,748.45

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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.