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Finding the Fourth Proportional to 35,359.92, 53,035.92 and 9,065.28

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Solution

The fourth proportional to 35,359.92, 53,035.92 and 9,065.28 is: 13,596.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,359.92 : 53,035.92 = 9,065.28 : x
  2. Step 2: Convert to fraction form
    35,359.92/53,035.92 = 9,065.28/x
  3. Step 3: Cross multiply
    35,359.92x = 53,035.92 × 9,065.28
  4. Step 4: Simplify right side
    35,359.92x = 480,785,464.86
  5. Step 5: Solve for x
    x = 480,785,464.86/35,359.92
  6. Step 6: Final answer
    x = 13,596.90

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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.