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Finding the Fourth Proportional to 51,599.40, 77,399.10 and 25,355.40

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Solution

The fourth proportional to 51,599.40, 77,399.10 and 25,355.40 is: 38,033.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,599.40 : 77,399.10 = 25,355.40 : x
  2. Step 2: Convert to fraction form
    51,599.40/77,399.10 = 25,355.40/x
  3. Step 3: Cross multiply
    51,599.40x = 77,399.10 × 25,355.40
  4. Step 4: Simplify right side
    51,599.40x = 1,962,485,140.14
  5. Step 5: Solve for x
    x = 1,962,485,140.14/51,599.40
  6. Step 6: Final answer
    x = 38,033.10

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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.