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Finding the Fourth Proportional to 19,963.62, 29,950.55 and 7,483.81

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Solution

The fourth proportional to 19,963.62, 29,950.55 and 7,483.81 is: 11,227.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,963.62 : 29,950.55 = 7,483.81 : x
  2. Step 2: Convert to fraction form
    19,963.62/29,950.55 = 7,483.81/x
  3. Step 3: Cross multiply
    19,963.62x = 29,950.55 × 7,483.81
  4. Step 4: Simplify right side
    19,963.62x = 224,144,225.60
  5. Step 5: Solve for x
    x = 224,144,225.60/19,963.62
  6. Step 6: Final answer
    x = 11,227.63

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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.