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Finding the Fourth Proportional to 58,708.60, 88,044.42 and 19,256.54

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Solution

The fourth proportional to 58,708.60, 88,044.42 and 19,256.54 is: 28,878.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,708.60 : 88,044.42 = 19,256.54 : x
  2. Step 2: Convert to fraction form
    58,708.60/88,044.42 = 19,256.54/x
  3. Step 3: Cross multiply
    58,708.60x = 88,044.42 × 19,256.54
  4. Step 4: Simplify right side
    58,708.60x = 1,695,430,419.18
  5. Step 5: Solve for x
    x = 1,695,430,419.18/58,708.60
  6. Step 6: Final answer
    x = 28,878.74

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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.