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Finding the Fourth Proportional to 19,735.65, 29,459.50 and 17,244.50

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Solution

The fourth proportional to 19,735.65, 29,459.50 and 17,244.50 is: 25,740.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,735.65 : 29,459.50 = 17,244.50 : x
  2. Step 2: Convert to fraction form
    19,735.65/29,459.50 = 17,244.50/x
  3. Step 3: Cross multiply
    19,735.65x = 29,459.50 × 17,244.50
  4. Step 4: Simplify right side
    19,735.65x = 508,014,347.75
  5. Step 5: Solve for x
    x = 508,014,347.75/19,735.65
  6. Step 6: Final answer
    x = 25,740.95

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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.