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Finding the Fourth Proportional to 10,048.60, 15,070.92 and 7,391.39

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Solution

The fourth proportional to 10,048.60, 15,070.92 and 7,391.39 is: 11,085.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,048.60 : 15,070.92 = 7,391.39 : x
  2. Step 2: Convert to fraction form
    10,048.60/15,070.92 = 7,391.39/x
  3. Step 3: Cross multiply
    10,048.60x = 15,070.92 × 7,391.39
  4. Step 4: Simplify right side
    10,048.60x = 111,395,047.38
  5. Step 5: Solve for x
    x = 111,395,047.38/10,048.60
  6. Step 6: Final answer
    x = 11,085.63

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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.