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Finding the Fourth Proportional to 28,853.01, 39,810.14 and 16,914.03

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Solution

The fourth proportional to 28,853.01, 39,810.14 and 16,914.03 is: 23,337.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,853.01 : 39,810.14 = 16,914.03 : x
  2. Step 2: Convert to fraction form
    28,853.01/39,810.14 = 16,914.03/x
  3. Step 3: Cross multiply
    28,853.01x = 39,810.14 × 16,914.03
  4. Step 4: Simplify right side
    28,853.01x = 673,349,817.69
  5. Step 5: Solve for x
    x = 673,349,817.69/28,853.01
  6. Step 6: Final answer
    x = 23,337.25

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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.