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Finding the Fourth Proportional to 29,006.67, 40,030.02 and 16,431.42

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Solution

The fourth proportional to 29,006.67, 40,030.02 and 16,431.42 is: 22,675.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,006.67 : 40,030.02 = 16,431.42 : x
  2. Step 2: Convert to fraction form
    29,006.67/40,030.02 = 16,431.42/x
  3. Step 3: Cross multiply
    29,006.67x = 40,030.02 × 16,431.42
  4. Step 4: Simplify right side
    29,006.67x = 657,750,071.23
  5. Step 5: Solve for x
    x = 657,750,071.23/29,006.67
  6. Step 6: Final answer
    x = 22,675.82

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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.