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Finding the Fourth Proportional to 5,293.20, 7,304.76 and 2,935.20

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Solution

The fourth proportional to 5,293.20, 7,304.76 and 2,935.20 is: 4,050.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,293.20 : 7,304.76 = 2,935.20 : x
  2. Step 2: Convert to fraction form
    5,293.20/7,304.76 = 2,935.20/x
  3. Step 3: Cross multiply
    5,293.20x = 7,304.76 × 2,935.20
  4. Step 4: Simplify right side
    5,293.20x = 21,440,931.55
  5. Step 5: Solve for x
    x = 21,440,931.55/5,293.20
  6. Step 6: Final answer
    x = 4,050.66

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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.