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Finding the Fourth Proportional to 13,813.97, 19,063.37 and 7,526.35

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Solution

The fourth proportional to 13,813.97, 19,063.37 and 7,526.35 is: 10,386.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,813.97 : 19,063.37 = 7,526.35 : x
  2. Step 2: Convert to fraction form
    13,813.97/19,063.37 = 7,526.35/x
  3. Step 3: Cross multiply
    13,813.97x = 19,063.37 × 7,526.35
  4. Step 4: Simplify right side
    13,813.97x = 143,477,594.80
  5. Step 5: Solve for x
    x = 143,477,594.80/13,813.97
  6. Step 6: Final answer
    x = 10,386.41

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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.