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Finding the Fourth Proportional to 63,654, 87,842.61 and 35,362.32

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Solution

The fourth proportional to 63,654, 87,842.61 and 35,362.32 is: 48,800.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,654 : 87,842.61 = 35,362.32 : x
  2. Step 2: Convert to fraction form
    63,654/87,842.61 = 35,362.32/x
  3. Step 3: Cross multiply
    63,654x = 87,842.61 × 35,362.32
  4. Step 4: Simplify right side
    63,654x = 3,106,318,484.46
  5. Step 5: Solve for x
    x = 3,106,318,484.46/63,654
  6. Step 6: Final answer
    x = 48,800.05

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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.