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Finding the Fourth Proportional to 7,751.16, 11,625.06 and 4,973.88

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Solution

The fourth proportional to 7,751.16, 11,625.06 and 4,973.88 is: 7,459.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,751.16 : 11,625.06 = 4,973.88 : x
  2. Step 2: Convert to fraction form
    7,751.16/11,625.06 = 4,973.88/x
  3. Step 3: Cross multiply
    7,751.16x = 11,625.06 × 4,973.88
  4. Step 4: Simplify right side
    7,751.16x = 57,821,653.43
  5. Step 5: Solve for x
    x = 57,821,653.43/7,751.16
  6. Step 6: Final answer
    x = 7,459.74

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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.