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Finding the Fourth Proportional to 58,606.82, 87,915.63 and 19,164.14

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Solution

The fourth proportional to 58,606.82, 87,915.63 and 19,164.14 is: 28,747.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,606.82 : 87,915.63 = 19,164.14 : x
  2. Step 2: Convert to fraction form
    58,606.82/87,915.63 = 19,164.14/x
  3. Step 3: Cross multiply
    58,606.82x = 87,915.63 × 19,164.14
  4. Step 4: Simplify right side
    58,606.82x = 1,684,827,441.51
  5. Step 5: Solve for x
    x = 1,684,827,441.51/58,606.82
  6. Step 6: Final answer
    x = 28,747.98

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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.