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Finding the Fourth Proportional to 38,709.49, 58,073.99 and 11,007.49

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Solution

The fourth proportional to 38,709.49, 58,073.99 and 11,007.49 is: 16,514.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,709.49 : 58,073.99 = 11,007.49 : x
  2. Step 2: Convert to fraction form
    38,709.49/58,073.99 = 11,007.49/x
  3. Step 3: Cross multiply
    38,709.49x = 58,073.99 × 11,007.49
  4. Step 4: Simplify right side
    38,709.49x = 639,248,518.78
  5. Step 5: Solve for x
    x = 639,248,518.78/38,709.49
  6. Step 6: Final answer
    x = 16,514.00

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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.