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Finding the Fourth Proportional to 3,168.93, 4,752.99 and 977.49

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Solution

The fourth proportional to 3,168.93, 4,752.99 and 977.49 is: 1,466.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.93 : 4,752.99 = 977.49 : x
  2. Step 2: Convert to fraction form
    3,168.93/4,752.99 = 977.49/x
  3. Step 3: Cross multiply
    3,168.93x = 4,752.99 × 977.49
  4. Step 4: Simplify right side
    3,168.93x = 4,646,000.20
  5. Step 5: Solve for x
    x = 4,646,000.20/3,168.93
  6. Step 6: Final answer
    x = 1,466.11

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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.