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Finding the Fourth Proportional to 3,312.70, 4,969.05 and 2,394.70

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Solution

The fourth proportional to 3,312.70, 4,969.05 and 2,394.70 is: 3,592.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.70 : 4,969.05 = 2,394.70 : x
  2. Step 2: Convert to fraction form
    3,312.70/4,969.05 = 2,394.70/x
  3. Step 3: Cross multiply
    3,312.70x = 4,969.05 × 2,394.70
  4. Step 4: Simplify right side
    3,312.70x = 11,899,384.04
  5. Step 5: Solve for x
    x = 11,899,384.04/3,312.70
  6. Step 6: Final answer
    x = 3,592.05

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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.