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Finding the Fourth Proportional to 29,718.80, 44,567.40 and 14,922.80

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Solution

The fourth proportional to 29,718.80, 44,567.40 and 14,922.80 is: 22,378.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,718.80 : 44,567.40 = 14,922.80 : x
  2. Step 2: Convert to fraction form
    29,718.80/44,567.40 = 14,922.80/x
  3. Step 3: Cross multiply
    29,718.80x = 44,567.40 × 14,922.80
  4. Step 4: Simplify right side
    29,718.80x = 665,070,396.72
  5. Step 5: Solve for x
    x = 665,070,396.72/29,718.80
  6. Step 6: Final answer
    x = 22,378.78

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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.