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Finding the Fourth Proportional to 9,800.54, 14,700.74 and 3,957.06

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Solution

The fourth proportional to 9,800.54, 14,700.74 and 3,957.06 is: 5,935.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,800.54 : 14,700.74 = 3,957.06 : x
  2. Step 2: Convert to fraction form
    9,800.54/14,700.74 = 3,957.06/x
  3. Step 3: Cross multiply
    9,800.54x = 14,700.74 × 3,957.06
  4. Step 4: Simplify right side
    9,800.54x = 58,171,710.22
  5. Step 5: Solve for x
    x = 58,171,710.22/9,800.54
  6. Step 6: Final answer
    x = 5,935.56

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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.