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Finding the Fourth Proportional to 9,026.10, 12,455.88 and 4,937.88

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Solution

The fourth proportional to 9,026.10, 12,455.88 and 4,937.88 is: 6,814.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,026.10 : 12,455.88 = 4,937.88 : x
  2. Step 2: Convert to fraction form
    9,026.10/12,455.88 = 4,937.88/x
  3. Step 3: Cross multiply
    9,026.10x = 12,455.88 × 4,937.88
  4. Step 4: Simplify right side
    9,026.10x = 61,505,640.73
  5. Step 5: Solve for x
    x = 61,505,640.73/9,026.10
  6. Step 6: Final answer
    x = 6,814.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.