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Finding the Fourth Proportional to 29,465.37, 40,663.14 and 16,719.09

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Solution

The fourth proportional to 29,465.37, 40,663.14 and 16,719.09 is: 23,072.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,465.37 : 40,663.14 = 16,719.09 : x
  2. Step 2: Convert to fraction form
    29,465.37/40,663.14 = 16,719.09/x
  3. Step 3: Cross multiply
    29,465.37x = 40,663.14 × 16,719.09
  4. Step 4: Simplify right side
    29,465.37x = 679,850,697.34
  5. Step 5: Solve for x
    x = 679,850,697.34/29,465.37
  6. Step 6: Final answer
    x = 23,072.87

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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.