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Finding the Fourth Proportional to 58,646.89, 87,956.84 and 34,961.12

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Solution

The fourth proportional to 58,646.89, 87,956.84 and 34,961.12 is: 52,433.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,646.89 : 87,956.84 = 34,961.12 : x
  2. Step 2: Convert to fraction form
    58,646.89/87,956.84 = 34,961.12/x
  3. Step 3: Cross multiply
    58,646.89x = 87,956.84 × 34,961.12
  4. Step 4: Simplify right side
    58,646.89x = 3,075,069,418.86
  5. Step 5: Solve for x
    x = 3,075,069,418.86/58,646.89
  6. Step 6: Final answer
    x = 52,433.64

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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.