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Finding the Fourth Proportional to 3,026.98, 4,513.98 and 2,999.30

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Solution

The fourth proportional to 3,026.98, 4,513.98 and 2,999.30 is: 4,472.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,026.98 : 4,513.98 = 2,999.30 : x
  2. Step 2: Convert to fraction form
    3,026.98/4,513.98 = 2,999.30/x
  3. Step 3: Cross multiply
    3,026.98x = 4,513.98 × 2,999.30
  4. Step 4: Simplify right side
    3,026.98x = 13,538,774.57
  5. Step 5: Solve for x
    x = 13,538,774.57/3,026.98
  6. Step 6: Final answer
    x = 4,472.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.