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Finding the Fourth Proportional to 29,666.79, 44,509.50 and 13,040.80

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Solution

The fourth proportional to 29,666.79, 44,509.50 and 13,040.80 is: 19,565.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,666.79 : 44,509.50 = 13,040.80 : x
  2. Step 2: Convert to fraction form
    29,666.79/44,509.50 = 13,040.80/x
  3. Step 3: Cross multiply
    29,666.79x = 44,509.50 × 13,040.80
  4. Step 4: Simplify right side
    29,666.79x = 580,439,376.33
  5. Step 5: Solve for x
    x = 580,439,376.33/29,666.79
  6. Step 6: Final answer
    x = 19,565.29

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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.