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Finding the Fourth Proportional to 52,751.64, 79,102.08 and 17,666.76

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Solution

The fourth proportional to 52,751.64, 79,102.08 and 17,666.76 is: 26,491.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,751.64 : 79,102.08 = 17,666.76 : x
  2. Step 2: Convert to fraction form
    52,751.64/79,102.08 = 17,666.76/x
  3. Step 3: Cross multiply
    52,751.64x = 79,102.08 × 17,666.76
  4. Step 4: Simplify right side
    52,751.64x = 1,397,477,462.86
  5. Step 5: Solve for x
    x = 1,397,477,462.86/52,751.64
  6. Step 6: Final answer
    x = 26,491.64

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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.