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Finding the Fourth Proportional to 11,357.90, 15,673.29 and 6,577.01

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Solution

The fourth proportional to 11,357.90, 15,673.29 and 6,577.01 is: 9,075.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,357.90 : 15,673.29 = 6,577.01 : x
  2. Step 2: Convert to fraction form
    11,357.90/15,673.29 = 6,577.01/x
  3. Step 3: Cross multiply
    11,357.90x = 15,673.29 × 6,577.01
  4. Step 4: Simplify right side
    11,357.90x = 103,083,385.06
  5. Step 5: Solve for x
    x = 103,083,385.06/11,357.90
  6. Step 6: Final answer
    x = 9,075.92

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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.