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Finding the Fourth Proportional to 3,014.66, 4,521.43 and 934.28

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Solution

The fourth proportional to 3,014.66, 4,521.43 and 934.28 is: 1,401.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,014.66 : 4,521.43 = 934.28 : x
  2. Step 2: Convert to fraction form
    3,014.66/4,521.43 = 934.28/x
  3. Step 3: Cross multiply
    3,014.66x = 4,521.43 × 934.28
  4. Step 4: Simplify right side
    3,014.66x = 4,224,281.62
  5. Step 5: Solve for x
    x = 4,224,281.62/3,014.66
  6. Step 6: Final answer
    x = 1,401.25

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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.