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Finding the Fourth Proportional to 13,001.15, 17,941.83 and 7,627.45

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Solution

The fourth proportional to 13,001.15, 17,941.83 and 7,627.45 is: 10,526.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001.15 : 17,941.83 = 7,627.45 : x
  2. Step 2: Convert to fraction form
    13,001.15/17,941.83 = 7,627.45/x
  3. Step 3: Cross multiply
    13,001.15x = 17,941.83 × 7,627.45
  4. Step 4: Simplify right side
    13,001.15x = 136,850,321.52
  5. Step 5: Solve for x
    x = 136,850,321.52/13,001.15
  6. Step 6: Final answer
    x = 10,526.02

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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.