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Finding the Fourth Proportional to 29,234.70, 40,317.39 and 19,159.50

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Solution

The fourth proportional to 29,234.70, 40,317.39 and 19,159.50 is: 26,422.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,234.70 : 40,317.39 = 19,159.50 : x
  2. Step 2: Convert to fraction form
    29,234.70/40,317.39 = 19,159.50/x
  3. Step 3: Cross multiply
    29,234.70x = 40,317.39 × 19,159.50
  4. Step 4: Simplify right side
    29,234.70x = 772,461,033.71
  5. Step 5: Solve for x
    x = 772,461,033.71/29,234.70
  6. Step 6: Final answer
    x = 26,422.75

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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.