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Finding the Fourth Proportional to 64,849.41, 89,492.04 and 36,554.90

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Solution

The fourth proportional to 64,849.41, 89,492.04 and 36,554.90 is: 50,445.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,849.41 : 89,492.04 = 36,554.90 : x
  2. Step 2: Convert to fraction form
    64,849.41/89,492.04 = 36,554.90/x
  3. Step 3: Cross multiply
    64,849.41x = 89,492.04 × 36,554.90
  4. Step 4: Simplify right side
    64,849.41x = 3,271,372,125.54
  5. Step 5: Solve for x
    x = 3,271,372,125.54/64,849.41
  6. Step 6: Final answer
    x = 50,445.67

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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.