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Finding the Fourth Proportional to 29,653.83, 40,921.91 and 16,224.89

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Solution

The fourth proportional to 29,653.83, 40,921.91 and 16,224.89 is: 22,390.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,653.83 : 40,921.91 = 16,224.89 : x
  2. Step 2: Convert to fraction form
    29,653.83/40,921.91 = 16,224.89/x
  3. Step 3: Cross multiply
    29,653.83x = 40,921.91 × 16,224.89
  4. Step 4: Simplify right side
    29,653.83x = 663,953,488.34
  5. Step 5: Solve for x
    x = 663,953,488.34/29,653.83
  6. Step 6: Final answer
    x = 22,390.14

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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.