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Finding the Fourth Proportional to 57,803.76, 79,758.36 and 36,568.08

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Solution

The fourth proportional to 57,803.76, 79,758.36 and 36,568.08 is: 50,457.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,803.76 : 79,758.36 = 36,568.08 : x
  2. Step 2: Convert to fraction form
    57,803.76/79,758.36 = 36,568.08/x
  3. Step 3: Cross multiply
    57,803.76x = 79,758.36 × 36,568.08
  4. Step 4: Simplify right side
    57,803.76x = 2,916,610,089.15
  5. Step 5: Solve for x
    x = 2,916,610,089.15/57,803.76
  6. Step 6: Final answer
    x = 50,457.10

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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.