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Finding the Fourth Proportional to 17,959.91, 24,782.51 and 10,302.78

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Solution

The fourth proportional to 17,959.91, 24,782.51 and 10,302.78 is: 14,216.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,959.91 : 24,782.51 = 10,302.78 : x
  2. Step 2: Convert to fraction form
    17,959.91/24,782.51 = 10,302.78/x
  3. Step 3: Cross multiply
    17,959.91x = 24,782.51 × 10,302.78
  4. Step 4: Simplify right side
    17,959.91x = 255,328,696.86
  5. Step 5: Solve for x
    x = 255,328,696.86/17,959.91
  6. Step 6: Final answer
    x = 14,216.60

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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.