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Finding the Fourth Proportional to 3,750.48, 5,625.72 and 1,802.88

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Solution

The fourth proportional to 3,750.48, 5,625.72 and 1,802.88 is: 2,704.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.48 : 5,625.72 = 1,802.88 : x
  2. Step 2: Convert to fraction form
    3,750.48/5,625.72 = 1,802.88/x
  3. Step 3: Cross multiply
    3,750.48x = 5,625.72 × 1,802.88
  4. Step 4: Simplify right side
    3,750.48x = 10,142,498.07
  5. Step 5: Solve for x
    x = 10,142,498.07/3,750.48
  6. Step 6: Final answer
    x = 2,704.32

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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.