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Finding the Fourth Proportional to 58,876.50, 88,293.15 and 19,421.94

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Solution

The fourth proportional to 58,876.50, 88,293.15 and 19,421.94 is: 29,125.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,876.50 : 88,293.15 = 19,421.94 : x
  2. Step 2: Convert to fraction form
    58,876.50/88,293.15 = 19,421.94/x
  3. Step 3: Cross multiply
    58,876.50x = 88,293.15 × 19,421.94
  4. Step 4: Simplify right side
    58,876.50x = 1,714,824,261.71
  5. Step 5: Solve for x
    x = 1,714,824,261.71/58,876.50
  6. Step 6: Final answer
    x = 29,125.78

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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.