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Finding the Fourth Proportional to 29,596.76, 40,824.54 and 18,106.32

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Solution

The fourth proportional to 29,596.76, 40,824.54 and 18,106.32 is: 24,975.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,596.76 : 40,824.54 = 18,106.32 : x
  2. Step 2: Convert to fraction form
    29,596.76/40,824.54 = 18,106.32/x
  3. Step 3: Cross multiply
    29,596.76x = 40,824.54 × 18,106.32
  4. Step 4: Simplify right side
    29,596.76x = 739,182,185.09
  5. Step 5: Solve for x
    x = 739,182,185.09/29,596.76
  6. Step 6: Final answer
    x = 24,975.10

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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.