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Finding the Fourth Proportional to 7,260.58, 10,019.53 and 3,948.58

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Solution

The fourth proportional to 7,260.58, 10,019.53 and 3,948.58 is: 5,449.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.58 : 10,019.53 = 3,948.58 : x
  2. Step 2: Convert to fraction form
    7,260.58/10,019.53 = 3,948.58/x
  3. Step 3: Cross multiply
    7,260.58x = 10,019.53 × 3,948.58
  4. Step 4: Simplify right side
    7,260.58x = 39,562,915.77
  5. Step 5: Solve for x
    x = 39,562,915.77/7,260.58
  6. Step 6: Final answer
    x = 5,449.00

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