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Finding the Fourth Proportional to 1,173.84, 1,756.76 and 1,004.88

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Solution

The fourth proportional to 1,173.84, 1,756.76 and 1,004.88 is: 1,503.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173.84 : 1,756.76 = 1,004.88 : x
  2. Step 2: Convert to fraction form
    1,173.84/1,756.76 = 1,004.88/x
  3. Step 3: Cross multiply
    1,173.84x = 1,756.76 × 1,004.88
  4. Step 4: Simplify right side
    1,173.84x = 1,765,332.99
  5. Step 5: Solve for x
    x = 1,765,332.99/1,173.84
  6. Step 6: Final answer
    x = 1,503.90

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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.