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Finding the Fourth Proportional to 59,402.62, 89,094.62 and 19,421.33

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Solution

The fourth proportional to 59,402.62, 89,094.62 and 19,421.33 is: 29,128.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,402.62 : 89,094.62 = 19,421.33 : x
  2. Step 2: Convert to fraction form
    59,402.62/89,094.62 = 19,421.33/x
  3. Step 3: Cross multiply
    59,402.62x = 89,094.62 × 19,421.33
  4. Step 4: Simplify right side
    59,402.62x = 1,730,336,016.24
  5. Step 5: Solve for x
    x = 1,730,336,016.24/59,402.62
  6. Step 6: Final answer
    x = 29,128.95

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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.