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Finding the Fourth Proportional to 62,915.94, 94,374.86 and 18,543.87

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Solution

The fourth proportional to 62,915.94, 94,374.86 and 18,543.87 is: 27,816.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,915.94 : 94,374.86 = 18,543.87 : x
  2. Step 2: Convert to fraction form
    62,915.94/94,374.86 = 18,543.87/x
  3. Step 3: Cross multiply
    62,915.94x = 94,374.86 × 18,543.87
  4. Step 4: Simplify right side
    62,915.94x = 1,750,075,042.39
  5. Step 5: Solve for x
    x = 1,750,075,042.39/62,915.94
  6. Step 6: Final answer
    x = 27,816.08

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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.