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Finding the Fourth Proportional to 52,533.60, 78,800.40 and 51,496.80

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Solution

The fourth proportional to 52,533.60, 78,800.40 and 51,496.80 is: 77,245.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,533.60 : 78,800.40 = 51,496.80 : x
  2. Step 2: Convert to fraction form
    52,533.60/78,800.40 = 51,496.80/x
  3. Step 3: Cross multiply
    52,533.60x = 78,800.40 × 51,496.80
  4. Step 4: Simplify right side
    52,533.60x = 4,057,968,438.72
  5. Step 5: Solve for x
    x = 4,057,968,438.72/52,533.60
  6. Step 6: Final answer
    x = 77,245.20

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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.