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Finding the Fourth Proportional to 29,460.75, 40,655.84 and 16,892.79

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Solution

The fourth proportional to 29,460.75, 40,655.84 and 16,892.79 is: 23,312.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,460.75 : 40,655.84 = 16,892.79 : x
  2. Step 2: Convert to fraction form
    29,460.75/40,655.84 = 16,892.79/x
  3. Step 3: Cross multiply
    29,460.75x = 40,655.84 × 16,892.79
  4. Step 4: Simplify right side
    29,460.75x = 686,790,482.93
  5. Step 5: Solve for x
    x = 686,790,482.93/29,460.75
  6. Step 6: Final answer
    x = 23,312.05

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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.