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Finding the Fourth Proportional to 19,349.89, 29,037.78 and 7,037.89

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Solution

The fourth proportional to 19,349.89, 29,037.78 and 7,037.89 is: 10,561.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,349.89 : 29,037.78 = 7,037.89 : x
  2. Step 2: Convert to fraction form
    19,349.89/29,037.78 = 7,037.89/x
  3. Step 3: Cross multiply
    19,349.89x = 29,037.78 × 7,037.89
  4. Step 4: Simplify right side
    19,349.89x = 204,364,701.48
  5. Step 5: Solve for x
    x = 204,364,701.48/19,349.89
  6. Step 6: Final answer
    x = 10,561.54

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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.