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Finding the Fourth Proportional to 23,345.64, 35,032.80 and 12,260.28

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Solution

The fourth proportional to 23,345.64, 35,032.80 and 12,260.28 is: 18,397.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,345.64 : 35,032.80 = 12,260.28 : x
  2. Step 2: Convert to fraction form
    23,345.64/35,032.80 = 12,260.28/x
  3. Step 3: Cross multiply
    23,345.64x = 35,032.80 × 12,260.28
  4. Step 4: Simplify right side
    23,345.64x = 429,511,937.18
  5. Step 5: Solve for x
    x = 429,511,937.18/23,345.64
  6. Step 6: Final answer
    x = 18,397.95

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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.