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Finding the Fourth Proportional to 7,133.44, 9,844.36 and 3,903.45

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Solution

The fourth proportional to 7,133.44, 9,844.36 and 3,903.45 is: 5,386.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,133.44 : 9,844.36 = 3,903.45 : x
  2. Step 2: Convert to fraction form
    7,133.44/9,844.36 = 3,903.45/x
  3. Step 3: Cross multiply
    7,133.44x = 9,844.36 × 3,903.45
  4. Step 4: Simplify right side
    7,133.44x = 38,426,994.20
  5. Step 5: Solve for x
    x = 38,426,994.20/7,133.44
  6. Step 6: Final answer
    x = 5,386.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.