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Finding the Fourth Proportional to 89,783.76, 134,675.64 and 27,453.72

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Solution

The fourth proportional to 89,783.76, 134,675.64 and 27,453.72 is: 41,180.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,783.76 : 134,675.64 = 27,453.72 : x
  2. Step 2: Convert to fraction form
    89,783.76/134,675.64 = 27,453.72/x
  3. Step 3: Cross multiply
    89,783.76x = 134,675.64 × 27,453.72
  4. Step 4: Simplify right side
    89,783.76x = 3,697,347,311.38
  5. Step 5: Solve for x
    x = 3,697,347,311.38/89,783.76
  6. Step 6: Final answer
    x = 41,180.58

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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.