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Finding the Fourth Proportional to 51,616.40, 77,424.60 and 16,559.60

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Solution

The fourth proportional to 51,616.40, 77,424.60 and 16,559.60 is: 24,839.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,616.40 : 77,424.60 = 16,559.60 : x
  2. Step 2: Convert to fraction form
    51,616.40/77,424.60 = 16,559.60/x
  3. Step 3: Cross multiply
    51,616.40x = 77,424.60 × 16,559.60
  4. Step 4: Simplify right side
    51,616.40x = 1,282,120,406.16
  5. Step 5: Solve for x
    x = 1,282,120,406.16/51,616.40
  6. Step 6: Final answer
    x = 24,839.40

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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.