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Finding the Fourth Proportional to 63,054.30, 87,015.52 and 34,761

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Solution

The fourth proportional to 63,054.30, 87,015.52 and 34,761 is: 47,970.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,054.30 : 87,015.52 = 34,761 : x
  2. Step 2: Convert to fraction form
    63,054.30/87,015.52 = 34,761/x
  3. Step 3: Cross multiply
    63,054.30x = 87,015.52 × 34,761
  4. Step 4: Simplify right side
    63,054.30x = 3,024,746,316.92
  5. Step 5: Solve for x
    x = 3,024,746,316.92/63,054.30
  6. Step 6: Final answer
    x = 47,970.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.