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Finding the Fourth Proportional to 44,728.80, 61,728.12 and 26,824.56

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Solution

The fourth proportional to 44,728.80, 61,728.12 and 26,824.56 is: 37,019.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,728.80 : 61,728.12 = 26,824.56 : x
  2. Step 2: Convert to fraction form
    44,728.80/61,728.12 = 26,824.56/x
  3. Step 3: Cross multiply
    44,728.80x = 61,728.12 × 26,824.56
  4. Step 4: Simplify right side
    44,728.80x = 1,655,829,658.63
  5. Step 5: Solve for x
    x = 1,655,829,658.63/44,728.80
  6. Step 6: Final answer
    x = 37,019.32

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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.