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Finding the Fourth Proportional to 16,953.30, 25,404.90 and 16,005.53

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Solution

The fourth proportional to 16,953.30, 25,404.90 and 16,005.53 is: 23,984.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,953.30 : 25,404.90 = 16,005.53 : x
  2. Step 2: Convert to fraction form
    16,953.30/25,404.90 = 16,005.53/x
  3. Step 3: Cross multiply
    16,953.30x = 25,404.90 × 16,005.53
  4. Step 4: Simplify right side
    16,953.30x = 406,618,762.07
  5. Step 5: Solve for x
    x = 406,618,762.07/16,953.30
  6. Step 6: Final answer
    x = 23,984.64

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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.