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Finding the Fourth Proportional to 14,419.53, 19,898.89 and 7,795.53

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Solution

The fourth proportional to 14,419.53, 19,898.89 and 7,795.53 is: 10,757.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,419.53 : 19,898.89 = 7,795.53 : x
  2. Step 2: Convert to fraction form
    14,419.53/19,898.89 = 7,795.53/x
  3. Step 3: Cross multiply
    14,419.53x = 19,898.89 × 7,795.53
  4. Step 4: Simplify right side
    14,419.53x = 155,122,393.96
  5. Step 5: Solve for x
    x = 155,122,393.96/14,419.53
  6. Step 6: Final answer
    x = 10,757.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.