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Finding the Fourth Proportional to 58,886.72, 81,262.88 and 32,028.66

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Solution

The fourth proportional to 58,886.72, 81,262.88 and 32,028.66 is: 44,199.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,886.72 : 81,262.88 = 32,028.66 : x
  2. Step 2: Convert to fraction form
    58,886.72/81,262.88 = 32,028.66/x
  3. Step 3: Cross multiply
    58,886.72x = 81,262.88 × 32,028.66
  4. Step 4: Simplify right side
    58,886.72x = 2,602,741,154.14
  5. Step 5: Solve for x
    x = 2,602,741,154.14/58,886.72
  6. Step 6: Final answer
    x = 44,199.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.