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Finding the Fourth Proportional to 16,777.98, 25,128.99 and 9,653.22

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Solution

The fourth proportional to 16,777.98, 25,128.99 and 9,653.22 is: 14,457.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,777.98 : 25,128.99 = 9,653.22 : x
  2. Step 2: Convert to fraction form
    16,777.98/25,128.99 = 9,653.22/x
  3. Step 3: Cross multiply
    16,777.98x = 25,128.99 × 9,653.22
  4. Step 4: Simplify right side
    16,777.98x = 242,575,668.85
  5. Step 5: Solve for x
    x = 242,575,668.85/16,777.98
  6. Step 6: Final answer
    x = 14,457.98

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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.