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Finding the Fourth Proportional to 18,595.64, 27,895.90 and 6,907.34

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Solution

The fourth proportional to 18,595.64, 27,895.90 and 6,907.34 is: 10,361.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,595.64 : 27,895.90 = 6,907.34 : x
  2. Step 2: Convert to fraction form
    18,595.64/27,895.90 = 6,907.34/x
  3. Step 3: Cross multiply
    18,595.64x = 27,895.90 × 6,907.34
  4. Step 4: Simplify right side
    18,595.64x = 192,686,465.91
  5. Step 5: Solve for x
    x = 192,686,465.91/18,595.64
  6. Step 6: Final answer
    x = 10,361.92

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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.