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Finding the Fourth Proportional to 50,562.90, 69,790.68 and 29,349

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Solution

The fourth proportional to 50,562.90, 69,790.68 and 29,349 is: 40,509.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,562.90 : 69,790.68 = 29,349 : x
  2. Step 2: Convert to fraction form
    50,562.90/69,790.68 = 29,349/x
  3. Step 3: Cross multiply
    50,562.90x = 69,790.68 × 29,349
  4. Step 4: Simplify right side
    50,562.90x = 2,048,286,667.32
  5. Step 5: Solve for x
    x = 2,048,286,667.32/50,562.90
  6. Step 6: Final answer
    x = 40,509.68

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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.