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Finding the Fourth Proportional to 35,413.18, 48,871.58 and 19,499.10

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Solution

The fourth proportional to 35,413.18, 48,871.58 and 19,499.10 is: 26,909.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,413.18 : 48,871.58 = 19,499.10 : x
  2. Step 2: Convert to fraction form
    35,413.18/48,871.58 = 19,499.10/x
  3. Step 3: Cross multiply
    35,413.18x = 48,871.58 × 19,499.10
  4. Step 4: Simplify right side
    35,413.18x = 952,951,825.58
  5. Step 5: Solve for x
    x = 952,951,825.58/35,413.18
  6. Step 6: Final answer
    x = 26,909.52

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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.