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Finding the Fourth Proportional to 57,666.60, 79,580.88 and 32,516.64

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Solution

The fourth proportional to 57,666.60, 79,580.88 and 32,516.64 is: 44,873.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,666.60 : 79,580.88 = 32,516.64 : x
  2. Step 2: Convert to fraction form
    57,666.60/79,580.88 = 32,516.64/x
  3. Step 3: Cross multiply
    57,666.60x = 79,580.88 × 32,516.64
  4. Step 4: Simplify right side
    57,666.60x = 2,587,702,825.84
  5. Step 5: Solve for x
    x = 2,587,702,825.84/57,666.60
  6. Step 6: Final answer
    x = 44,873.51

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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.