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Finding the Fourth Proportional to 18,483.53, 27,714.15 and 7,080.35

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Solution

The fourth proportional to 18,483.53, 27,714.15 and 7,080.35 is: 10,616.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,483.53 : 27,714.15 = 7,080.35 : x
  2. Step 2: Convert to fraction form
    18,483.53/27,714.15 = 7,080.35/x
  3. Step 3: Cross multiply
    18,483.53x = 27,714.15 × 7,080.35
  4. Step 4: Simplify right side
    18,483.53x = 196,225,743.38
  5. Step 5: Solve for x
    x = 196,225,743.38/18,483.53
  6. Step 6: Final answer
    x = 10,616.25

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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.