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Finding the Fourth Proportional to 94,431, 141,646.59 and 39,028.44

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Solution

The fourth proportional to 94,431, 141,646.59 and 39,028.44 is: 58,542.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,431 : 141,646.59 = 39,028.44 : x
  2. Step 2: Convert to fraction form
    94,431/141,646.59 = 39,028.44/x
  3. Step 3: Cross multiply
    94,431x = 141,646.59 × 39,028.44
  4. Step 4: Simplify right side
    94,431x = 5,528,245,439.02
  5. Step 5: Solve for x
    x = 5,528,245,439.02/94,431
  6. Step 6: Final answer
    x = 58,542.70

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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.