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Finding the Fourth Proportional to 62,703.06, 86,529.06 and 35,478.86

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Solution

The fourth proportional to 62,703.06, 86,529.06 and 35,478.86 is: 48,960.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,703.06 : 86,529.06 = 35,478.86 : x
  2. Step 2: Convert to fraction form
    62,703.06/86,529.06 = 35,478.86/x
  3. Step 3: Cross multiply
    62,703.06x = 86,529.06 × 35,478.86
  4. Step 4: Simplify right side
    62,703.06x = 3,069,951,973.03
  5. Step 5: Solve for x
    x = 3,069,951,973.03/62,703.06
  6. Step 6: Final answer
    x = 48,960.16

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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.