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Finding the Fourth Proportional to 23,345.77, 35,018.95 and 7,763.40

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Solution

The fourth proportional to 23,345.77, 35,018.95 and 7,763.40 is: 11,645.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,345.77 : 35,018.95 = 7,763.40 : x
  2. Step 2: Convert to fraction form
    23,345.77/35,018.95 = 7,763.40/x
  3. Step 3: Cross multiply
    23,345.77x = 35,018.95 × 7,763.40
  4. Step 4: Simplify right side
    23,345.77x = 271,866,116.43
  5. Step 5: Solve for x
    x = 271,866,116.43/23,345.77
  6. Step 6: Final answer
    x = 11,645.20

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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.