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Finding the Fourth Proportional to 62,876.98, 94,312.98 and 21,323.98

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Solution

The fourth proportional to 62,876.98, 94,312.98 and 21,323.98 is: 31,985.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,876.98 : 94,312.98 = 21,323.98 : x
  2. Step 2: Convert to fraction form
    62,876.98/94,312.98 = 21,323.98/x
  3. Step 3: Cross multiply
    62,876.98x = 94,312.98 × 21,323.98
  4. Step 4: Simplify right side
    62,876.98x = 2,011,128,099.26
  5. Step 5: Solve for x
    x = 2,011,128,099.26/62,876.98
  6. Step 6: Final answer
    x = 31,985.13

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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.