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Finding the Fourth Proportional to 59,762.36, 89,625.72 and 20,310.50

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Solution

The fourth proportional to 59,762.36, 89,625.72 and 20,310.50 is: 30,459.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,762.36 : 89,625.72 = 20,310.50 : x
  2. Step 2: Convert to fraction form
    59,762.36/89,625.72 = 20,310.50/x
  3. Step 3: Cross multiply
    59,762.36x = 89,625.72 × 20,310.50
  4. Step 4: Simplify right side
    59,762.36x = 1,820,343,186.06
  5. Step 5: Solve for x
    x = 1,820,343,186.06/59,762.36
  6. Step 6: Final answer
    x = 30,459.69

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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.