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Finding the Fourth Proportional to 65,056.86, 89,742.60 and 44,924.31

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Solution

The fourth proportional to 65,056.86, 89,742.60 and 44,924.31 is: 61,970.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,056.86 : 89,742.60 = 44,924.31 : x
  2. Step 2: Convert to fraction form
    65,056.86/89,742.60 = 44,924.31/x
  3. Step 3: Cross multiply
    65,056.86x = 89,742.60 × 44,924.31
  4. Step 4: Simplify right side
    65,056.86x = 4,031,624,382.61
  5. Step 5: Solve for x
    x = 4,031,624,382.61/65,056.86
  6. Step 6: Final answer
    x = 61,970.78

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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.