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Finding the Fourth Proportional to 58,494.96, 87,742.26 and 19,051.98

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Solution

The fourth proportional to 58,494.96, 87,742.26 and 19,051.98 is: 28,577.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,494.96 : 87,742.26 = 19,051.98 : x
  2. Step 2: Convert to fraction form
    58,494.96/87,742.26 = 19,051.98/x
  3. Step 3: Cross multiply
    58,494.96x = 87,742.26 × 19,051.98
  4. Step 4: Simplify right side
    58,494.96x = 1,671,663,782.67
  5. Step 5: Solve for x
    x = 1,671,663,782.67/58,494.96
  6. Step 6: Final answer
    x = 28,577.91

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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.