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Finding the Fourth Proportional to 29,041.35, 43,567.69 and 9,318.39

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Solution

The fourth proportional to 29,041.35, 43,567.69 and 9,318.39 is: 13,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,041.35 : 43,567.69 = 9,318.39 : x
  2. Step 2: Convert to fraction form
    29,041.35/43,567.69 = 9,318.39/x
  3. Step 3: Cross multiply
    29,041.35x = 43,567.69 × 9,318.39
  4. Step 4: Simplify right side
    29,041.35x = 405,980,726.82
  5. Step 5: Solve for x
    x = 405,980,726.82/29,041.35
  6. Step 6: Final answer
    x = 13,979.40

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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.