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Finding the Fourth Proportional to 63,355.96, 87,430.74 and 35,063.32

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Solution

The fourth proportional to 63,355.96, 87,430.74 and 35,063.32 is: 48,387.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,355.96 : 87,430.74 = 35,063.32 : x
  2. Step 2: Convert to fraction form
    63,355.96/87,430.74 = 35,063.32/x
  3. Step 3: Cross multiply
    63,355.96x = 87,430.74 × 35,063.32
  4. Step 4: Simplify right side
    63,355.96x = 3,065,612,014.46
  5. Step 5: Solve for x
    x = 3,065,612,014.46/63,355.96
  6. Step 6: Final answer
    x = 48,387.11

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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.