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Finding the Fourth Proportional to 10,692.09, 14,759.27 and 7,154.01

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Solution

The fourth proportional to 10,692.09, 14,759.27 and 7,154.01 is: 9,875.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692.09 : 14,759.27 = 7,154.01 : x
  2. Step 2: Convert to fraction form
    10,692.09/14,759.27 = 7,154.01/x
  3. Step 3: Cross multiply
    10,692.09x = 14,759.27 × 7,154.01
  4. Step 4: Simplify right side
    10,692.09x = 105,587,929.40
  5. Step 5: Solve for x
    x = 105,587,929.40/10,692.09
  6. Step 6: Final answer
    x = 9,875.33

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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.