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Finding the Fourth Proportional to 34,354.43, 47,410.47 and 19,247.21

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Solution

The fourth proportional to 34,354.43, 47,410.47 and 19,247.21 is: 26,561.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,354.43 : 47,410.47 = 19,247.21 : x
  2. Step 2: Convert to fraction form
    34,354.43/47,410.47 = 19,247.21/x
  3. Step 3: Cross multiply
    34,354.43x = 47,410.47 × 19,247.21
  4. Step 4: Simplify right side
    34,354.43x = 912,519,390.81
  5. Step 5: Solve for x
    x = 912,519,390.81/34,354.43
  6. Step 6: Final answer
    x = 26,561.92

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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.