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Finding the Fourth Proportional to 2,874.99, 4,312.18 and 1,484.73

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Solution

The fourth proportional to 2,874.99, 4,312.18 and 1,484.73 is: 2,226.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.99 : 4,312.18 = 1,484.73 : x
  2. Step 2: Convert to fraction form
    2,874.99/4,312.18 = 1,484.73/x
  3. Step 3: Cross multiply
    2,874.99x = 4,312.18 × 1,484.73
  4. Step 4: Simplify right side
    2,874.99x = 6,402,423.01
  5. Step 5: Solve for x
    x = 6,402,423.01/2,874.99
  6. Step 6: Final answer
    x = 2,226.94

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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.