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Finding the Fourth Proportional to 32,981.61, 45,520.47 and 25,010.40

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Solution

The fourth proportional to 32,981.61, 45,520.47 and 25,010.40 is: 34,518.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,981.61 : 45,520.47 = 25,010.40 : x
  2. Step 2: Convert to fraction form
    32,981.61/45,520.47 = 25,010.40/x
  3. Step 3: Cross multiply
    32,981.61x = 45,520.47 × 25,010.40
  4. Step 4: Simplify right side
    32,981.61x = 1,138,485,162.89
  5. Step 5: Solve for x
    x = 1,138,485,162.89/32,981.61
  6. Step 6: Final answer
    x = 34,518.79

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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.