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Finding the Fourth Proportional to 4,751.02, 7,127.19 and 1,630.19

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Solution

The fourth proportional to 4,751.02, 7,127.19 and 1,630.19 is: 2,445.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.02 : 7,127.19 = 1,630.19 : x
  2. Step 2: Convert to fraction form
    4,751.02/7,127.19 = 1,630.19/x
  3. Step 3: Cross multiply
    4,751.02x = 7,127.19 × 1,630.19
  4. Step 4: Simplify right side
    4,751.02x = 11,618,673.87
  5. Step 5: Solve for x
    x = 11,618,673.87/4,751.02
  6. Step 6: Final answer
    x = 2,445.51

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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.