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Finding the Fourth Proportional to 13,819.77, 19,070.78 and 7,532.01

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Solution

The fourth proportional to 13,819.77, 19,070.78 and 7,532.01 is: 10,393.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,819.77 : 19,070.78 = 7,532.01 : x
  2. Step 2: Convert to fraction form
    13,819.77/19,070.78 = 7,532.01/x
  3. Step 3: Cross multiply
    13,819.77x = 19,070.78 × 7,532.01
  4. Step 4: Simplify right side
    13,819.77x = 143,641,268.01
  5. Step 5: Solve for x
    x = 143,641,268.01/13,819.77
  6. Step 6: Final answer
    x = 10,393.90

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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.