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Finding the Fourth Proportional to 29,336.85, 40,485.02 and 15,908.01

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Solution

The fourth proportional to 29,336.85, 40,485.02 and 15,908.01 is: 21,953.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,336.85 : 40,485.02 = 15,908.01 : x
  2. Step 2: Convert to fraction form
    29,336.85/40,485.02 = 15,908.01/x
  3. Step 3: Cross multiply
    29,336.85x = 40,485.02 × 15,908.01
  4. Step 4: Simplify right side
    29,336.85x = 644,036,099.38
  5. Step 5: Solve for x
    x = 644,036,099.38/29,336.85
  6. Step 6: Final answer
    x = 21,953.14

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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.