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Finding the Fourth Proportional to 45,799.32, 68,686.24 and 16,213.24

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Solution

The fourth proportional to 45,799.32, 68,686.24 and 16,213.24 is: 24,315.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,799.32 : 68,686.24 = 16,213.24 : x
  2. Step 2: Convert to fraction form
    45,799.32/68,686.24 = 16,213.24/x
  3. Step 3: Cross multiply
    45,799.32x = 68,686.24 × 16,213.24
  4. Step 4: Simplify right side
    45,799.32x = 1,113,626,493.82
  5. Step 5: Solve for x
    x = 1,113,626,493.82/45,799.32
  6. Step 6: Final answer
    x = 24,315.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.