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Finding the Fourth Proportional to 9,963.99, 14,938.67 and 4,773.51

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Solution

The fourth proportional to 9,963.99, 14,938.67 and 4,773.51 is: 7,156.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,963.99 : 14,938.67 = 4,773.51 : x
  2. Step 2: Convert to fraction form
    9,963.99/14,938.67 = 4,773.51/x
  3. Step 3: Cross multiply
    9,963.99x = 14,938.67 × 4,773.51
  4. Step 4: Simplify right side
    9,963.99x = 71,309,866.76
  5. Step 5: Solve for x
    x = 71,309,866.76/9,963.99
  6. Step 6: Final answer
    x = 7,156.76

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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.