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Finding the Fourth Proportional to 79,339.69, 119,008.28 and 31,953.66

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Solution

The fourth proportional to 79,339.69, 119,008.28 and 31,953.66 is: 47,929.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,339.69 : 119,008.28 = 31,953.66 : x
  2. Step 2: Convert to fraction form
    79,339.69/119,008.28 = 31,953.66/x
  3. Step 3: Cross multiply
    79,339.69x = 119,008.28 × 31,953.66
  4. Step 4: Simplify right side
    79,339.69x = 3,802,750,731.57
  5. Step 5: Solve for x
    x = 3,802,750,731.57/79,339.69
  6. Step 6: Final answer
    x = 47,929.99

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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.