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Finding the Fourth Proportional to 58,530.85, 80,779.73 and 35,873.08

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Solution

The fourth proportional to 58,530.85, 80,779.73 and 35,873.08 is: 49,509.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,530.85 : 80,779.73 = 35,873.08 : x
  2. Step 2: Convert to fraction form
    58,530.85/80,779.73 = 35,873.08/x
  3. Step 3: Cross multiply
    58,530.85x = 80,779.73 × 35,873.08
  4. Step 4: Simplify right side
    58,530.85x = 2,897,817,537.14
  5. Step 5: Solve for x
    x = 2,897,817,537.14/58,530.85
  6. Step 6: Final answer
    x = 49,509.23

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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.