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Finding the Fourth Proportional to 64,790.79, 97,199.82 and 36,724.29

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Solution

The fourth proportional to 64,790.79, 97,199.82 and 36,724.29 is: 55,094.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,790.79 : 97,199.82 = 36,724.29 : x
  2. Step 2: Convert to fraction form
    64,790.79/97,199.82 = 36,724.29/x
  3. Step 3: Cross multiply
    64,790.79x = 97,199.82 × 36,724.29
  4. Step 4: Simplify right side
    64,790.79x = 3,569,594,377.63
  5. Step 5: Solve for x
    x = 3,569,594,377.63/64,790.79
  6. Step 6: Final answer
    x = 55,094.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.