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Finding the Fourth Proportional to 4,794.47, 7,192.70 and 1,507.49

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Solution

The fourth proportional to 4,794.47, 7,192.70 and 1,507.49 is: 2,261.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,794.47 : 7,192.70 = 1,507.49 : x
  2. Step 2: Convert to fraction form
    4,794.47/7,192.70 = 1,507.49/x
  3. Step 3: Cross multiply
    4,794.47x = 7,192.70 × 1,507.49
  4. Step 4: Simplify right side
    4,794.47x = 10,842,915.79
  5. Step 5: Solve for x
    x = 10,842,915.79/4,794.47
  6. Step 6: Final answer
    x = 2,261.55

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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.