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Finding the Fourth Proportional to 29,009.84, 40,036.90 and 16,266.48

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Solution

The fourth proportional to 29,009.84, 40,036.90 and 16,266.48 is: 22,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,009.84 : 40,036.90 = 16,266.48 : x
  2. Step 2: Convert to fraction form
    29,009.84/40,036.90 = 16,266.48/x
  3. Step 3: Cross multiply
    29,009.84x = 40,036.90 × 16,266.48
  4. Step 4: Simplify right side
    29,009.84x = 651,259,433.11
  5. Step 5: Solve for x
    x = 651,259,433.11/29,009.84
  6. Step 6: Final answer
    x = 22,449.60

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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.