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Finding the Fourth Proportional to 31,491.63, 47,295.77 and 24,959.79

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Solution

The fourth proportional to 31,491.63, 47,295.77 and 24,959.79 is: 37,485.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,491.63 : 47,295.77 = 24,959.79 : x
  2. Step 2: Convert to fraction form
    31,491.63/47,295.77 = 24,959.79/x
  3. Step 3: Cross multiply
    31,491.63x = 47,295.77 × 24,959.79
  4. Step 4: Simplify right side
    31,491.63x = 1,180,492,362.29
  5. Step 5: Solve for x
    x = 1,180,492,362.29/31,491.63
  6. Step 6: Final answer
    x = 37,485.91

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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.