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Finding the Fourth Proportional to 7,130.60, 10,696.54 and 2,513.64

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Solution

The fourth proportional to 7,130.60, 10,696.54 and 2,513.64 is: 3,770.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130.60 : 10,696.54 = 2,513.64 : x
  2. Step 2: Convert to fraction form
    7,130.60/10,696.54 = 2,513.64/x
  3. Step 3: Cross multiply
    7,130.60x = 10,696.54 × 2,513.64
  4. Step 4: Simplify right side
    7,130.60x = 26,887,250.81
  5. Step 5: Solve for x
    x = 26,887,250.81/7,130.60
  6. Step 6: Final answer
    x = 3,770.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.