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Finding the Fourth Proportional to 15,925.93, 23,885.75 and 15,135.64

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Solution

The fourth proportional to 15,925.93, 23,885.75 and 15,135.64 is: 22,700.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,925.93 : 23,885.75 = 15,135.64 : x
  2. Step 2: Convert to fraction form
    15,925.93/23,885.75 = 15,135.64/x
  3. Step 3: Cross multiply
    15,925.93x = 23,885.75 × 15,135.64
  4. Step 4: Simplify right side
    15,925.93x = 361,526,091.25
  5. Step 5: Solve for x
    x = 361,526,091.25/15,925.93
  6. Step 6: Final answer
    x = 22,700.47

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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.