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Finding the Fourth Proportional to 38,672.24, 58,008.90 and 10,970.24

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Solution

The fourth proportional to 38,672.24, 58,008.90 and 10,970.24 is: 16,455.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,672.24 : 58,008.90 = 10,970.24 : x
  2. Step 2: Convert to fraction form
    38,672.24/58,008.90 = 10,970.24/x
  3. Step 3: Cross multiply
    38,672.24x = 58,008.90 × 10,970.24
  4. Step 4: Simplify right side
    38,672.24x = 636,371,555.14
  5. Step 5: Solve for x
    x = 636,371,555.14/38,672.24
  6. Step 6: Final answer
    x = 16,455.51

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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.