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Finding the Fourth Proportional to 9,995.02, 14,994.25 and 3,419.64

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Solution

The fourth proportional to 9,995.02, 14,994.25 and 3,419.64 is: 5,130.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,995.02 : 14,994.25 = 3,419.64 : x
  2. Step 2: Convert to fraction form
    9,995.02/14,994.25 = 3,419.64/x
  3. Step 3: Cross multiply
    9,995.02x = 14,994.25 × 3,419.64
  4. Step 4: Simplify right side
    9,995.02x = 51,274,928.52
  5. Step 5: Solve for x
    x = 51,274,928.52/9,995.02
  6. Step 6: Final answer
    x = 5,130.05

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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.