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Finding the Fourth Proportional to 61,052.96, 84,186.48 and 53,024.32

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Solution

The fourth proportional to 61,052.96, 84,186.48 and 53,024.32 is: 73,115.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,052.96 : 84,186.48 = 53,024.32 : x
  2. Step 2: Convert to fraction form
    61,052.96/84,186.48 = 53,024.32/x
  3. Step 3: Cross multiply
    61,052.96x = 84,186.48 × 53,024.32
  4. Step 4: Simplify right side
    61,052.96x = 4,463,930,855.19
  5. Step 5: Solve for x
    x = 4,463,930,855.19/61,052.96
  6. Step 6: Final answer
    x = 73,115.72

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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.