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Finding the Fourth Proportional to 9,809.51, 14,714.19 and 2,884.01

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Solution

The fourth proportional to 9,809.51, 14,714.19 and 2,884.01 is: 4,325.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,809.51 : 14,714.19 = 2,884.01 : x
  2. Step 2: Convert to fraction form
    9,809.51/14,714.19 = 2,884.01/x
  3. Step 3: Cross multiply
    9,809.51x = 14,714.19 × 2,884.01
  4. Step 4: Simplify right side
    9,809.51x = 42,435,797.53
  5. Step 5: Solve for x
    x = 42,435,797.53/9,809.51
  6. Step 6: Final answer
    x = 4,325.99

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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.