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Finding the Fourth Proportional to 9,973.78, 14,963.44 and 4,351.94

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Solution

The fourth proportional to 9,973.78, 14,963.44 and 4,351.94 is: 6,529.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,973.78 : 14,963.44 = 4,351.94 : x
  2. Step 2: Convert to fraction form
    9,973.78/14,963.44 = 4,351.94/x
  3. Step 3: Cross multiply
    9,973.78x = 14,963.44 × 4,351.94
  4. Step 4: Simplify right side
    9,973.78x = 65,119,896.50
  5. Step 5: Solve for x
    x = 65,119,896.50/9,973.78
  6. Step 6: Final answer
    x = 6,529.11

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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.