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Finding the Fourth Proportional to 63,556.55, 87,715.82 and 36,698.99

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Solution

The fourth proportional to 63,556.55, 87,715.82 and 36,698.99 is: 50,649.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,556.55 : 87,715.82 = 36,698.99 : x
  2. Step 2: Convert to fraction form
    63,556.55/87,715.82 = 36,698.99/x
  3. Step 3: Cross multiply
    63,556.55x = 87,715.82 × 36,698.99
  4. Step 4: Simplify right side
    63,556.55x = 3,219,082,001.02
  5. Step 5: Solve for x
    x = 3,219,082,001.02/63,556.55
  6. Step 6: Final answer
    x = 50,649.10

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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.