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Finding the Fourth Proportional to 51,603.40, 77,405.10 and 22,022.20

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Solution

The fourth proportional to 51,603.40, 77,405.10 and 22,022.20 is: 33,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,603.40 : 77,405.10 = 22,022.20 : x
  2. Step 2: Convert to fraction form
    51,603.40/77,405.10 = 22,022.20/x
  3. Step 3: Cross multiply
    51,603.40x = 77,405.10 × 22,022.20
  4. Step 4: Simplify right side
    51,603.40x = 1,704,630,593.22
  5. Step 5: Solve for x
    x = 1,704,630,593.22/51,603.40
  6. Step 6: Final answer
    x = 33,033.30

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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.