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Finding the Fourth Proportional to 35,958.89, 53,938.28 and 9,663.63

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Solution

The fourth proportional to 35,958.89, 53,938.28 and 9,663.63 is: 14,495.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,958.89 : 53,938.28 = 9,663.63 : x
  2. Step 2: Convert to fraction form
    35,958.89/53,938.28 = 9,663.63/x
  3. Step 3: Cross multiply
    35,958.89x = 53,938.28 × 9,663.63
  4. Step 4: Simplify right side
    35,958.89x = 521,239,580.76
  5. Step 5: Solve for x
    x = 521,239,580.76/35,958.89
  6. Step 6: Final answer
    x = 14,495.43

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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.