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Finding the Fourth Proportional to 3,003.55, 4,505.05 and 924.99

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Solution

The fourth proportional to 3,003.55, 4,505.05 and 924.99 is: 1,387.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.55 : 4,505.05 = 924.99 : x
  2. Step 2: Convert to fraction form
    3,003.55/4,505.05 = 924.99/x
  3. Step 3: Cross multiply
    3,003.55x = 4,505.05 × 924.99
  4. Step 4: Simplify right side
    3,003.55x = 4,167,110.46
  5. Step 5: Solve for x
    x = 4,167,110.46/3,003.55
  6. Step 6: Final answer
    x = 1,387.40

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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.