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Finding the Fourth Proportional to 57,658, 79,568.12 and 32,166.01

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Solution

The fourth proportional to 57,658, 79,568.12 and 32,166.01 is: 44,389.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,658 : 79,568.12 = 32,166.01 : x
  2. Step 2: Convert to fraction form
    57,658/79,568.12 = 32,166.01/x
  3. Step 3: Cross multiply
    57,658x = 79,568.12 × 32,166.01
  4. Step 4: Simplify right side
    57,658x = 2,559,388,943.60
  5. Step 5: Solve for x
    x = 2,559,388,943.60/57,658
  6. Step 6: Final answer
    x = 44,389.14

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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.