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Finding the Fourth Proportional to 5,292.96, 7,302.64 and 3,024.32

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Solution

The fourth proportional to 5,292.96, 7,302.64 and 3,024.32 is: 4,172.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,292.96 : 7,302.64 = 3,024.32 : x
  2. Step 2: Convert to fraction form
    5,292.96/7,302.64 = 3,024.32/x
  3. Step 3: Cross multiply
    5,292.96x = 7,302.64 × 3,024.32
  4. Step 4: Simplify right side
    5,292.96x = 22,085,520.20
  5. Step 5: Solve for x
    x = 22,085,520.20/5,292.96
  6. Step 6: Final answer
    x = 4,172.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.