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Finding the Fourth Proportional to 43,585.35, 65,380.35 and 14,000.88

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Solution

The fourth proportional to 43,585.35, 65,380.35 and 14,000.88 is: 21,002.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,585.35 : 65,380.35 = 14,000.88 : x
  2. Step 2: Convert to fraction form
    43,585.35/65,380.35 = 14,000.88/x
  3. Step 3: Cross multiply
    43,585.35x = 65,380.35 × 14,000.88
  4. Step 4: Simplify right side
    43,585.35x = 915,382,434.71
  5. Step 5: Solve for x
    x = 915,382,434.71/43,585.35
  6. Step 6: Final answer
    x = 21,002.07

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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.