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Finding the Fourth Proportional to 4,789.67, 7,184.48 and 1,503.01

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Solution

The fourth proportional to 4,789.67, 7,184.48 and 1,503.01 is: 2,254.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.67 : 7,184.48 = 1,503.01 : x
  2. Step 2: Convert to fraction form
    4,789.67/7,184.48 = 1,503.01/x
  3. Step 3: Cross multiply
    4,789.67x = 7,184.48 × 1,503.01
  4. Step 4: Simplify right side
    4,789.67x = 10,798,345.28
  5. Step 5: Solve for x
    x = 10,798,345.28/4,789.67
  6. Step 6: Final answer
    x = 2,254.51

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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.