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Finding the Fourth Proportional to 19,346.96, 29,007.48 and 8,953.04

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Solution

The fourth proportional to 19,346.96, 29,007.48 and 8,953.04 is: 13,423.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,346.96 : 29,007.48 = 8,953.04 : x
  2. Step 2: Convert to fraction form
    19,346.96/29,007.48 = 8,953.04/x
  3. Step 3: Cross multiply
    19,346.96x = 29,007.48 × 8,953.04
  4. Step 4: Simplify right side
    19,346.96x = 259,705,128.74
  5. Step 5: Solve for x
    x = 259,705,128.74/19,346.96
  6. Step 6: Final answer
    x = 13,423.56

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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.