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Finding the Fourth Proportional to 7,274.97, 10,031.51 and 4,913.01

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Solution

The fourth proportional to 7,274.97, 10,031.51 and 4,913.01 is: 6,774.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274.97 : 10,031.51 = 4,913.01 : x
  2. Step 2: Convert to fraction form
    7,274.97/10,031.51 = 4,913.01/x
  3. Step 3: Cross multiply
    7,274.97x = 10,031.51 × 4,913.01
  4. Step 4: Simplify right side
    7,274.97x = 49,284,921.23
  5. Step 5: Solve for x
    x = 49,284,921.23/7,274.97
  6. Step 6: Final answer
    x = 6,774.59

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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.