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Finding the Fourth Proportional to 62,759.40, 94,139.10 and 25,823.40

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Solution

The fourth proportional to 62,759.40, 94,139.10 and 25,823.40 is: 38,735.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,759.40 : 94,139.10 = 25,823.40 : x
  2. Step 2: Convert to fraction form
    62,759.40/94,139.10 = 25,823.40/x
  3. Step 3: Cross multiply
    62,759.40x = 94,139.10 × 25,823.40
  4. Step 4: Simplify right side
    62,759.40x = 2,430,991,634.94
  5. Step 5: Solve for x
    x = 2,430,991,634.94/62,759.40
  6. Step 6: Final answer
    x = 38,735.10

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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.