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Finding the Fourth Proportional to 15,391.37, 23,088.37 and 4,858.58

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Solution

The fourth proportional to 15,391.37, 23,088.37 and 4,858.58 is: 7,288.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,391.37 : 23,088.37 = 4,858.58 : x
  2. Step 2: Convert to fraction form
    15,391.37/23,088.37 = 4,858.58/x
  3. Step 3: Cross multiply
    15,391.37x = 23,088.37 × 4,858.58
  4. Step 4: Simplify right side
    15,391.37x = 112,176,569.68
  5. Step 5: Solve for x
    x = 112,176,569.68/15,391.37
  6. Step 6: Final answer
    x = 7,288.28

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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.