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Finding the Fourth Proportional to 58,602.96, 87,878.16 and 34,921.68

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Solution

The fourth proportional to 58,602.96, 87,878.16 and 34,921.68 is: 52,366.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,602.96 : 87,878.16 = 34,921.68 : x
  2. Step 2: Convert to fraction form
    58,602.96/87,878.16 = 34,921.68/x
  3. Step 3: Cross multiply
    58,602.96x = 87,878.16 × 34,921.68
  4. Step 4: Simplify right side
    58,602.96x = 3,068,852,982.51
  5. Step 5: Solve for x
    x = 3,068,852,982.51/58,602.96
  6. Step 6: Final answer
    x = 52,366.86

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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.