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Finding the Fourth Proportional to 29,699.88, 44,549.82 and 9,978.48

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Solution

The fourth proportional to 29,699.88, 44,549.82 and 9,978.48 is: 14,967.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,699.88 : 44,549.82 = 9,978.48 : x
  2. Step 2: Convert to fraction form
    29,699.88/44,549.82 = 9,978.48/x
  3. Step 3: Cross multiply
    29,699.88x = 44,549.82 × 9,978.48
  4. Step 4: Simplify right side
    29,699.88x = 444,539,487.87
  5. Step 5: Solve for x
    x = 444,539,487.87/29,699.88
  6. Step 6: Final answer
    x = 14,967.72

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1.5x scale

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.