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Finding the Fourth Proportional to 29,970.41, 44,958.05 and 9,979.18

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Solution

The fourth proportional to 29,970.41, 44,958.05 and 9,979.18 is: 14,969.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,970.41 : 44,958.05 = 9,979.18 : x
  2. Step 2: Convert to fraction form
    29,970.41/44,958.05 = 9,979.18/x
  3. Step 3: Cross multiply
    29,970.41x = 44,958.05 × 9,979.18
  4. Step 4: Simplify right side
    29,970.41x = 448,644,657.55
  5. Step 5: Solve for x
    x = 448,644,657.55/29,970.41
  6. Step 6: Final answer
    x = 14,969.59

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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.