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Finding the Fourth Proportional to 18,077.94, 27,114.14 and 4,931.34

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Solution

The fourth proportional to 18,077.94, 27,114.14 and 4,931.34 is: 7,396.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,077.94 : 27,114.14 = 4,931.34 : x
  2. Step 2: Convert to fraction form
    18,077.94/27,114.14 = 4,931.34/x
  3. Step 3: Cross multiply
    18,077.94x = 27,114.14 × 4,931.34
  4. Step 4: Simplify right side
    18,077.94x = 133,709,043.15
  5. Step 5: Solve for x
    x = 133,709,043.15/18,077.94
  6. Step 6: Final answer
    x = 7,396.25

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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.