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Finding the Fourth Proportional to 43,482.58, 65,225.57 and 13,499.93

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Solution

The fourth proportional to 43,482.58, 65,225.57 and 13,499.93 is: 20,250.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,482.58 : 65,225.57 = 13,499.93 : x
  2. Step 2: Convert to fraction form
    43,482.58/65,225.57 = 13,499.93/x
  3. Step 3: Cross multiply
    43,482.58x = 65,225.57 × 13,499.93
  4. Step 4: Simplify right side
    43,482.58x = 880,540,724.77
  5. Step 5: Solve for x
    x = 880,540,724.77/43,482.58
  6. Step 6: Final answer
    x = 20,250.43

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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.