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Finding the Fourth Proportional to 64,718.95, 97,021.24 and 25,248.46

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Solution

The fourth proportional to 64,718.95, 97,021.24 and 25,248.46 is: 37,850.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,718.95 : 97,021.24 = 25,248.46 : x
  2. Step 2: Convert to fraction form
    64,718.95/97,021.24 = 25,248.46/x
  3. Step 3: Cross multiply
    64,718.95x = 97,021.24 × 25,248.46
  4. Step 4: Simplify right side
    64,718.95x = 2,449,636,915.55
  5. Step 5: Solve for x
    x = 2,449,636,915.55/64,718.95
  6. Step 6: Final answer
    x = 37,850.38

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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.