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Finding the Fourth Proportional to 36,862.80, 55,329.84 and 34,864.80

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Solution

The fourth proportional to 36,862.80, 55,329.84 and 34,864.80 is: 52,330.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,862.80 : 55,329.84 = 34,864.80 : x
  2. Step 2: Convert to fraction form
    36,862.80/55,329.84 = 34,864.80/x
  3. Step 3: Cross multiply
    36,862.80x = 55,329.84 × 34,864.80
  4. Step 4: Simplify right side
    36,862.80x = 1,929,063,805.63
  5. Step 5: Solve for x
    x = 1,929,063,805.63/36,862.80
  6. Step 6: Final answer
    x = 52,330.91

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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.