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Finding the Fourth Proportional to 4,798.79, 7,200.27 and 1,681.03

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Solution

The fourth proportional to 4,798.79, 7,200.27 and 1,681.03 is: 2,522.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,798.79 : 7,200.27 = 1,681.03 : x
  2. Step 2: Convert to fraction form
    4,798.79/7,200.27 = 1,681.03/x
  3. Step 3: Cross multiply
    4,798.79x = 7,200.27 × 1,681.03
  4. Step 4: Simplify right side
    4,798.79x = 12,103,851.88
  5. Step 5: Solve for x
    x = 12,103,851.88/4,798.79
  6. Step 6: Final answer
    x = 2,522.27

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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.