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Finding the Fourth Proportional to 61,707.56, 92,575.31 and 19,590.19

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Solution

The fourth proportional to 61,707.56, 92,575.31 and 19,590.19 is: 29,389.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,707.56 : 92,575.31 = 19,590.19 : x
  2. Step 2: Convert to fraction form
    61,707.56/92,575.31 = 19,590.19/x
  3. Step 3: Cross multiply
    61,707.56x = 92,575.31 × 19,590.19
  4. Step 4: Simplify right side
    61,707.56x = 1,813,567,582.82
  5. Step 5: Solve for x
    x = 1,813,567,582.82/61,707.56
  6. Step 6: Final answer
    x = 29,389.72

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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.