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Finding the Fourth Proportional to 4,799.51, 7,200.17 and 1,877.63

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Solution

The fourth proportional to 4,799.51, 7,200.17 and 1,877.63 is: 2,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,799.51 : 7,200.17 = 1,877.63 : x
  2. Step 2: Convert to fraction form
    4,799.51/7,200.17 = 1,877.63/x
  3. Step 3: Cross multiply
    4,799.51x = 7,200.17 × 1,877.63
  4. Step 4: Simplify right side
    4,799.51x = 13,519,255.20
  5. Step 5: Solve for x
    x = 13,519,255.20/4,799.51
  6. Step 6: Final answer
    x = 2,816.80

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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.