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Finding the Fourth Proportional to 29,865.16, 41,213.02 and 16,436.40

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Solution

The fourth proportional to 29,865.16, 41,213.02 and 16,436.40 is: 22,681.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,865.16 : 41,213.02 = 16,436.40 : x
  2. Step 2: Convert to fraction form
    29,865.16/41,213.02 = 16,436.40/x
  3. Step 3: Cross multiply
    29,865.16x = 41,213.02 × 16,436.40
  4. Step 4: Simplify right side
    29,865.16x = 677,393,681.93
  5. Step 5: Solve for x
    x = 677,393,681.93/29,865.16
  6. Step 6: Final answer
    x = 22,681.74

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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.