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Finding the Fourth Proportional to 29,087.19, 43,639.29 and 9,365.31

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Solution

The fourth proportional to 29,087.19, 43,639.29 and 9,365.31 is: 14,050.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,087.19 : 43,639.29 = 9,365.31 : x
  2. Step 2: Convert to fraction form
    29,087.19/43,639.29 = 9,365.31/x
  3. Step 3: Cross multiply
    29,087.19x = 43,639.29 × 9,365.31
  4. Step 4: Simplify right side
    29,087.19x = 408,695,479.03
  5. Step 5: Solve for x
    x = 408,695,479.03/29,087.19
  6. Step 6: Final answer
    x = 14,050.70

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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.