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Finding the Fourth Proportional to 64,104.90, 88,464.53 and 35,423.76

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Solution

The fourth proportional to 64,104.90, 88,464.53 and 35,423.76 is: 48,884.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,104.90 : 88,464.53 = 35,423.76 : x
  2. Step 2: Convert to fraction form
    64,104.90/88,464.53 = 35,423.76/x
  3. Step 3: Cross multiply
    64,104.90x = 88,464.53 × 35,423.76
  4. Step 4: Simplify right side
    64,104.90x = 3,133,746,699.53
  5. Step 5: Solve for x
    x = 3,133,746,699.53/64,104.90
  6. Step 6: Final answer
    x = 48,884.67

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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.