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Finding the Fourth Proportional to 34,354.80, 47,410.99 and 19,247.59

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Solution

The fourth proportional to 34,354.80, 47,410.99 and 19,247.59 is: 26,562.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,354.80 : 47,410.99 = 19,247.59 : x
  2. Step 2: Convert to fraction form
    34,354.80/47,410.99 = 19,247.59/x
  3. Step 3: Cross multiply
    34,354.80x = 47,410.99 × 19,247.59
  4. Step 4: Simplify right side
    34,354.80x = 912,547,130.37
  5. Step 5: Solve for x
    x = 912,547,130.37/34,354.80
  6. Step 6: Final answer
    x = 26,562.43

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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.