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Finding the Fourth Proportional to 63,800.10, 95,700.15 and 28,808.10

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Solution

The fourth proportional to 63,800.10, 95,700.15 and 28,808.10 is: 43,212.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,800.10 : 95,700.15 = 28,808.10 : x
  2. Step 2: Convert to fraction form
    63,800.10/95,700.15 = 28,808.10/x
  3. Step 3: Cross multiply
    63,800.10x = 95,700.15 × 28,808.10
  4. Step 4: Simplify right side
    63,800.10x = 2,756,939,491.22
  5. Step 5: Solve for x
    x = 2,756,939,491.22/63,800.10
  6. Step 6: Final answer
    x = 43,212.15

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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.