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Finding the Fourth Proportional to 35,638.92, 53,461.62 and 9,343.56

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Solution

The fourth proportional to 35,638.92, 53,461.62 and 9,343.56 is: 14,016.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,638.92 : 53,461.62 = 9,343.56 : x
  2. Step 2: Convert to fraction form
    35,638.92/53,461.62 = 9,343.56/x
  3. Step 3: Cross multiply
    35,638.92x = 53,461.62 × 9,343.56
  4. Step 4: Simplify right side
    35,638.92x = 499,521,854.17
  5. Step 5: Solve for x
    x = 499,521,854.17/35,638.92
  6. Step 6: Final answer
    x = 14,016.19

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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.