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Finding the Fourth Proportional to 34,243, 47,259.18 and 19,339.96

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Solution

The fourth proportional to 34,243, 47,259.18 and 19,339.96 is: 26,691.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,243 : 47,259.18 = 19,339.96 : x
  2. Step 2: Convert to fraction form
    34,243/47,259.18 = 19,339.96/x
  3. Step 3: Cross multiply
    34,243x = 47,259.18 × 19,339.96
  4. Step 4: Simplify right side
    34,243x = 913,990,650.83
  5. Step 5: Solve for x
    x = 913,990,650.83/34,243
  6. Step 6: Final answer
    x = 26,691.31

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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.