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Finding the Fourth Proportional to 52,598.96, 78,899.16 and 15,159.68

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Solution

The fourth proportional to 52,598.96, 78,899.16 and 15,159.68 is: 22,739.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,598.96 : 78,899.16 = 15,159.68 : x
  2. Step 2: Convert to fraction form
    52,598.96/78,899.16 = 15,159.68/x
  3. Step 3: Cross multiply
    52,598.96x = 78,899.16 × 15,159.68
  4. Step 4: Simplify right side
    52,598.96x = 1,196,086,017.87
  5. Step 5: Solve for x
    x = 1,196,086,017.87/52,598.96
  6. Step 6: Final answer
    x = 22,739.73

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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.