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Finding the Fourth Proportional to 4,328.32, 6,492.48 and 1,731.28

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Solution

The fourth proportional to 4,328.32, 6,492.48 and 1,731.28 is: 2,596.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,328.32 : 6,492.48 = 1,731.28 : x
  2. Step 2: Convert to fraction form
    4,328.32/6,492.48 = 1,731.28/x
  3. Step 3: Cross multiply
    4,328.32x = 6,492.48 × 1,731.28
  4. Step 4: Simplify right side
    4,328.32x = 11,240,300.77
  5. Step 5: Solve for x
    x = 11,240,300.77/4,328.32
  6. Step 6: Final answer
    x = 2,596.92

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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.