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Finding the Fourth Proportional to 29,437.05, 40,623.90 and 16,009.11

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Solution

The fourth proportional to 29,437.05, 40,623.90 and 16,009.11 is: 22,092.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,437.05 : 40,623.90 = 16,009.11 : x
  2. Step 2: Convert to fraction form
    29,437.05/40,623.90 = 16,009.11/x
  3. Step 3: Cross multiply
    29,437.05x = 40,623.90 × 16,009.11
  4. Step 4: Simplify right side
    29,437.05x = 650,352,483.73
  5. Step 5: Solve for x
    x = 650,352,483.73/29,437.05
  6. Step 6: Final answer
    x = 22,092.99

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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.