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Finding the Fourth Proportional to 29,888.40, 41,243.40 and 16,459.41

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Solution

The fourth proportional to 29,888.40, 41,243.40 and 16,459.41 is: 22,712.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,888.40 : 41,243.40 = 16,459.41 : x
  2. Step 2: Convert to fraction form
    29,888.40/41,243.40 = 16,459.41/x
  3. Step 3: Cross multiply
    29,888.40x = 41,243.40 × 16,459.41
  4. Step 4: Simplify right side
    29,888.40x = 678,842,030.39
  5. Step 5: Solve for x
    x = 678,842,030.39/29,888.40
  6. Step 6: Final answer
    x = 22,712.56

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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.