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Finding the Fourth Proportional to 63,515.82, 87,645.51 and 36,666.99

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Solution

The fourth proportional to 63,515.82, 87,645.51 and 36,666.99 is: 50,596.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,515.82 : 87,645.51 = 36,666.99 : x
  2. Step 2: Convert to fraction form
    63,515.82/87,645.51 = 36,666.99/x
  3. Step 3: Cross multiply
    63,515.82x = 87,645.51 × 36,666.99
  4. Step 4: Simplify right side
    63,515.82x = 3,213,697,038.71
  5. Step 5: Solve for x
    x = 3,213,697,038.71/63,515.82
  6. Step 6: Final answer
    x = 50,596.80

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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.