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Finding the Fourth Proportional to 58,476.90, 87,292.35 and 51,383.03

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Solution

The fourth proportional to 58,476.90, 87,292.35 and 51,383.03 is: 76,702.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,476.90 : 87,292.35 = 51,383.03 : x
  2. Step 2: Convert to fraction form
    58,476.90/87,292.35 = 51,383.03/x
  3. Step 3: Cross multiply
    58,476.90x = 87,292.35 × 51,383.03
  4. Step 4: Simplify right side
    58,476.90x = 4,485,345,002.36
  5. Step 5: Solve for x
    x = 4,485,345,002.36/58,476.90
  6. Step 6: Final answer
    x = 76,702.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.