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Finding the Fourth Proportional to 7,333.10, 10,999.55 and 2,402.90

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Solution

The fourth proportional to 7,333.10, 10,999.55 and 2,402.90 is: 3,604.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,333.10 : 10,999.55 = 2,402.90 : x
  2. Step 2: Convert to fraction form
    7,333.10/10,999.55 = 2,402.90/x
  3. Step 3: Cross multiply
    7,333.10x = 10,999.55 × 2,402.90
  4. Step 4: Simplify right side
    7,333.10x = 26,430,818.70
  5. Step 5: Solve for x
    x = 26,430,818.70/7,333.10
  6. Step 6: Final answer
    x = 3,604.32

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1.5x scale

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.