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Finding the Fourth Proportional to 4,499.52, 6,751.80 and 1,904.40

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Solution

The fourth proportional to 4,499.52, 6,751.80 and 1,904.40 is: 2,857.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,499.52 : 6,751.80 = 1,904.40 : x
  2. Step 2: Convert to fraction form
    4,499.52/6,751.80 = 1,904.40/x
  3. Step 3: Cross multiply
    4,499.52x = 6,751.80 × 1,904.40
  4. Step 4: Simplify right side
    4,499.52x = 12,858,127.92
  5. Step 5: Solve for x
    x = 12,858,127.92/4,499.52
  6. Step 6: Final answer
    x = 2,857.67

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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.