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Finding the Fourth Proportional to 58,705.36, 87,985.88 and 27,071.51

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Solution

The fourth proportional to 58,705.36, 87,985.88 and 27,071.51 is: 40,573.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,705.36 : 87,985.88 = 27,071.51 : x
  2. Step 2: Convert to fraction form
    58,705.36/87,985.88 = 27,071.51/x
  3. Step 3: Cross multiply
    58,705.36x = 87,985.88 × 27,071.51
  4. Step 4: Simplify right side
    58,705.36x = 2,381,910,532.46
  5. Step 5: Solve for x
    x = 2,381,910,532.46/58,705.36
  6. Step 6: Final answer
    x = 40,573.98

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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.