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Finding the Fourth Proportional to 52,523.30, 72,479.49 and 28,649.78

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Solution

The fourth proportional to 52,523.30, 72,479.49 and 28,649.78 is: 39,535.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,523.30 : 72,479.49 = 28,649.78 : x
  2. Step 2: Convert to fraction form
    52,523.30/72,479.49 = 28,649.78/x
  3. Step 3: Cross multiply
    52,523.30x = 72,479.49 × 28,649.78
  4. Step 4: Simplify right side
    52,523.30x = 2,076,521,443.01
  5. Step 5: Solve for x
    x = 2,076,521,443.01/52,523.30
  6. Step 6: Final answer
    x = 39,535.24

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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.