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Finding the Fourth Proportional to 58,779.36, 87,994.08 and 35,334.72

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Solution

The fourth proportional to 58,779.36, 87,994.08 and 35,334.72 is: 52,896.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,779.36 : 87,994.08 = 35,334.72 : x
  2. Step 2: Convert to fraction form
    58,779.36/87,994.08 = 35,334.72/x
  3. Step 3: Cross multiply
    58,779.36x = 87,994.08 × 35,334.72
  4. Step 4: Simplify right side
    58,779.36x = 3,109,246,178.46
  5. Step 5: Solve for x
    x = 3,109,246,178.46/58,779.36
  6. Step 6: Final answer
    x = 52,896.90

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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.