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Finding the Fourth Proportional to 44,728.84, 66,990.39 and 25,962.40

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Solution

The fourth proportional to 44,728.84, 66,990.39 and 25,962.40 is: 38,883.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,728.84 : 66,990.39 = 25,962.40 : x
  2. Step 2: Convert to fraction form
    44,728.84/66,990.39 = 25,962.40/x
  3. Step 3: Cross multiply
    44,728.84x = 66,990.39 × 25,962.40
  4. Step 4: Simplify right side
    44,728.84x = 1,739,231,301.34
  5. Step 5: Solve for x
    x = 1,739,231,301.34/44,728.84
  6. Step 6: Final answer
    x = 38,883.89

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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.