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Finding the Fourth Proportional to 29,346.78, 43,980.36 and 13,517

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Solution

The fourth proportional to 29,346.78, 43,980.36 and 13,517 is: 20,257.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,346.78 : 43,980.36 = 13,517 : x
  2. Step 2: Convert to fraction form
    29,346.78/43,980.36 = 13,517/x
  3. Step 3: Cross multiply
    29,346.78x = 43,980.36 × 13,517
  4. Step 4: Simplify right side
    29,346.78x = 594,482,526.12
  5. Step 5: Solve for x
    x = 594,482,526.12/29,346.78
  6. Step 6: Final answer
    x = 20,257.16

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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.