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Finding the Fourth Proportional to 34,361.52, 47,423.92 and 19,255.20

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Solution

The fourth proportional to 34,361.52, 47,423.92 and 19,255.20 is: 26,574.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,361.52 : 47,423.92 = 19,255.20 : x
  2. Step 2: Convert to fraction form
    34,361.52/47,423.92 = 19,255.20/x
  3. Step 3: Cross multiply
    34,361.52x = 47,423.92 × 19,255.20
  4. Step 4: Simplify right side
    34,361.52x = 913,157,064.38
  5. Step 5: Solve for x
    x = 913,157,064.38/34,361.52
  6. Step 6: Final answer
    x = 26,574.99

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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.