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Finding the Fourth Proportional to 29,246.40, 40,357.44 and 17,309.70

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Solution

The fourth proportional to 29,246.40, 40,357.44 and 17,309.70 is: 23,885.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,246.40 : 40,357.44 = 17,309.70 : x
  2. Step 2: Convert to fraction form
    29,246.40/40,357.44 = 17,309.70/x
  3. Step 3: Cross multiply
    29,246.40x = 40,357.44 × 17,309.70
  4. Step 4: Simplify right side
    29,246.40x = 698,575,179.17
  5. Step 5: Solve for x
    x = 698,575,179.17/29,246.40
  6. Step 6: Final answer
    x = 23,885.85

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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.