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Finding the Fourth Proportional to 35,665.30, 53,497.95 and 9,372.70

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Solution

The fourth proportional to 35,665.30, 53,497.95 and 9,372.70 is: 14,059.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,665.30 : 53,497.95 = 9,372.70 : x
  2. Step 2: Convert to fraction form
    35,665.30/53,497.95 = 9,372.70/x
  3. Step 3: Cross multiply
    35,665.30x = 53,497.95 × 9,372.70
  4. Step 4: Simplify right side
    35,665.30x = 501,420,235.97
  5. Step 5: Solve for x
    x = 501,420,235.97/35,665.30
  6. Step 6: Final answer
    x = 14,059.05

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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.