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Finding the Fourth Proportional to 35,898.75, 53,850.72 and 10,938.74

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Solution

The fourth proportional to 35,898.75, 53,850.72 and 10,938.74 is: 16,408.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,898.75 : 53,850.72 = 10,938.74 : x
  2. Step 2: Convert to fraction form
    35,898.75/53,850.72 = 10,938.74/x
  3. Step 3: Cross multiply
    35,898.75x = 53,850.72 × 10,938.74
  4. Step 4: Simplify right side
    35,898.75x = 589,058,755.64
  5. Step 5: Solve for x
    x = 589,058,755.64/35,898.75
  6. Step 6: Final answer
    x = 16,408.89

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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.