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Finding the Fourth Proportional to 29,950.90, 41,345.50 and 19,345.70

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Solution

The fourth proportional to 29,950.90, 41,345.50 and 19,345.70 is: 26,705.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,950.90 : 41,345.50 = 19,345.70 : x
  2. Step 2: Convert to fraction form
    29,950.90/41,345.50 = 19,345.70/x
  3. Step 3: Cross multiply
    29,950.90x = 41,345.50 × 19,345.70
  4. Step 4: Simplify right side
    29,950.90x = 799,857,639.35
  5. Step 5: Solve for x
    x = 799,857,639.35/29,950.90
  6. Step 6: Final answer
    x = 26,705.63

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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.