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Finding the Fourth Proportional to 32,958.50, 45,482.74 and 18,811.04

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Solution

The fourth proportional to 32,958.50, 45,482.74 and 18,811.04 is: 25,959.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,958.50 : 45,482.74 = 18,811.04 : x
  2. Step 2: Convert to fraction form
    32,958.50/45,482.74 = 18,811.04/x
  3. Step 3: Cross multiply
    32,958.50x = 45,482.74 × 18,811.04
  4. Step 4: Simplify right side
    32,958.50x = 855,577,641.45
  5. Step 5: Solve for x
    x = 855,577,641.45/32,958.50
  6. Step 6: Final answer
    x = 25,959.24

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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.