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Finding the Fourth Proportional to 34,978.31, 52,459.99 and 10,011.66

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Solution

The fourth proportional to 34,978.31, 52,459.99 and 10,011.66 is: 15,015.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,978.31 : 52,459.99 = 10,011.66 : x
  2. Step 2: Convert to fraction form
    34,978.31/52,459.99 = 10,011.66/x
  3. Step 3: Cross multiply
    34,978.31x = 52,459.99 × 10,011.66
  4. Step 4: Simplify right side
    34,978.31x = 525,211,583.48
  5. Step 5: Solve for x
    x = 525,211,583.48/34,978.31
  6. Step 6: Final answer
    x = 15,015.35

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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.