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Finding the Fourth Proportional to 35,431.25, 53,153.41 and 14,656.37

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Solution

The fourth proportional to 35,431.25, 53,153.41 and 14,656.37 is: 21,987.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,431.25 : 53,153.41 = 14,656.37 : x
  2. Step 2: Convert to fraction form
    35,431.25/53,153.41 = 14,656.37/x
  3. Step 3: Cross multiply
    35,431.25x = 53,153.41 × 14,656.37
  4. Step 4: Simplify right side
    35,431.25x = 779,035,741.31
  5. Step 5: Solve for x
    x = 779,035,741.31/35,431.25
  6. Step 6: Final answer
    x = 21,987.25

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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.