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Finding the Fourth Proportional to 29,352.80, 43,964.40 and 17,645.60

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Solution

The fourth proportional to 29,352.80, 43,964.40 and 17,645.60 is: 26,429.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,352.80 : 43,964.40 = 17,645.60 : x
  2. Step 2: Convert to fraction form
    29,352.80/43,964.40 = 17,645.60/x
  3. Step 3: Cross multiply
    29,352.80x = 43,964.40 × 17,645.60
  4. Step 4: Simplify right side
    29,352.80x = 775,778,216.64
  5. Step 5: Solve for x
    x = 775,778,216.64/29,352.80
  6. Step 6: Final answer
    x = 26,429.45

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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.