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Finding the Fourth Proportional to 63,801.10, 95,701.65 and 28,809.10

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Solution

The fourth proportional to 63,801.10, 95,701.65 and 28,809.10 is: 43,213.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,801.10 : 95,701.65 = 28,809.10 : x
  2. Step 2: Convert to fraction form
    63,801.10/95,701.65 = 28,809.10/x
  3. Step 3: Cross multiply
    63,801.10x = 95,701.65 × 28,809.10
  4. Step 4: Simplify right side
    63,801.10x = 2,757,078,405.02
  5. Step 5: Solve for x
    x = 2,757,078,405.02/63,801.10
  6. Step 6: Final answer
    x = 43,213.65

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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.