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Finding the Fourth Proportional to 5,411.52, 7,466.64 and 3,734.40

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Solution

The fourth proportional to 5,411.52, 7,466.64 and 3,734.40 is: 5,152.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.52 : 7,466.64 = 3,734.40 : x
  2. Step 2: Convert to fraction form
    5,411.52/7,466.64 = 3,734.40/x
  3. Step 3: Cross multiply
    5,411.52x = 7,466.64 × 3,734.40
  4. Step 4: Simplify right side
    5,411.52x = 27,883,420.42
  5. Step 5: Solve for x
    x = 27,883,420.42/5,411.52
  6. Step 6: Final answer
    x = 5,152.60

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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.