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Finding the Fourth Proportional to 59,412.99, 89,115 and 17,293.40

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Solution

The fourth proportional to 59,412.99, 89,115 and 17,293.40 is: 25,938.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,412.99 : 89,115 = 17,293.40 : x
  2. Step 2: Convert to fraction form
    59,412.99/89,115 = 17,293.40/x
  3. Step 3: Cross multiply
    59,412.99x = 89,115 × 17,293.40
  4. Step 4: Simplify right side
    59,412.99x = 1,541,101,341.00
  5. Step 5: Solve for x
    x = 1,541,101,341.00/59,412.99
  6. Step 6: Final answer
    x = 25,938.79

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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.