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Finding the Fourth Proportional to 25,477.47, 35,157.29 and 14,146.97

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Solution

The fourth proportional to 25,477.47, 35,157.29 and 14,146.97 is: 19,521.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,477.47 : 35,157.29 = 14,146.97 : x
  2. Step 2: Convert to fraction form
    25,477.47/35,157.29 = 14,146.97/x
  3. Step 3: Cross multiply
    25,477.47x = 35,157.29 × 14,146.97
  4. Step 4: Simplify right side
    25,477.47x = 497,368,880.39
  5. Step 5: Solve for x
    x = 497,368,880.39/25,477.47
  6. Step 6: Final answer
    x = 19,521.91

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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.