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Finding the Fourth Proportional to 9,143.59, 13,714.70 and 3,300.20

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Solution

The fourth proportional to 9,143.59, 13,714.70 and 3,300.20 is: 4,950.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143.59 : 13,714.70 = 3,300.20 : x
  2. Step 2: Convert to fraction form
    9,143.59/13,714.70 = 3,300.20/x
  3. Step 3: Cross multiply
    9,143.59x = 13,714.70 × 3,300.20
  4. Step 4: Simplify right side
    9,143.59x = 45,261,219.30
  5. Step 5: Solve for x
    x = 45,261,219.30/9,143.59
  6. Step 6: Final answer
    x = 4,950.05

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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.