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Finding the Fourth Proportional to 59,615.40, 89,435.10 and 17,495.40

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Solution

The fourth proportional to 59,615.40, 89,435.10 and 17,495.40 is: 26,246.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,615.40 : 89,435.10 = 17,495.40 : x
  2. Step 2: Convert to fraction form
    59,615.40/89,435.10 = 17,495.40/x
  3. Step 3: Cross multiply
    59,615.40x = 89,435.10 × 17,495.40
  4. Step 4: Simplify right side
    59,615.40x = 1,564,702,848.54
  5. Step 5: Solve for x
    x = 1,564,702,848.54/59,615.40
  6. Step 6: Final answer
    x = 26,246.62

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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.