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Finding the Fourth Proportional to 8,333.10, 12,493.40 and 5,045.40

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Solution

The fourth proportional to 8,333.10, 12,493.40 and 5,045.40 is: 7,564.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333.10 : 12,493.40 = 5,045.40 : x
  2. Step 2: Convert to fraction form
    8,333.10/12,493.40 = 5,045.40/x
  3. Step 3: Cross multiply
    8,333.10x = 12,493.40 × 5,045.40
  4. Step 4: Simplify right side
    8,333.10x = 63,034,200.36
  5. Step 5: Solve for x
    x = 63,034,200.36/8,333.10
  6. Step 6: Final answer
    x = 7,564.32

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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.