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Finding the Fourth Proportional to 2,328.35, 3,492.70 and 867.50

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Solution

The fourth proportional to 2,328.35, 3,492.70 and 867.50 is: 1,301.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328.35 : 3,492.70 = 867.50 : x
  2. Step 2: Convert to fraction form
    2,328.35/3,492.70 = 867.50/x
  3. Step 3: Cross multiply
    2,328.35x = 3,492.70 × 867.50
  4. Step 4: Simplify right side
    2,328.35x = 3,029,912.91
  5. Step 5: Solve for x
    x = 3,029,912.91/2,328.35
  6. Step 6: Final answer
    x = 1,301.31

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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.