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Finding the Fourth Proportional to 29,884.80, 41,246.40 and 17,316.48

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Solution

The fourth proportional to 29,884.80, 41,246.40 and 17,316.48 is: 23,899.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,884.80 : 41,246.40 = 17,316.48 : x
  2. Step 2: Convert to fraction form
    29,884.80/41,246.40 = 17,316.48/x
  3. Step 3: Cross multiply
    29,884.80x = 41,246.40 × 17,316.48
  4. Step 4: Simplify right side
    29,884.80x = 714,242,460.67
  5. Step 5: Solve for x
    x = 714,242,460.67/29,884.80
  6. Step 6: Final answer
    x = 23,899.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.