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Finding the Fourth Proportional to 57,795.70, 80,810.30 and 57,795.70

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Solution

The fourth proportional to 57,795.70, 80,810.30 and 57,795.70 is: 80,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,795.70 : 80,810.30 = 57,795.70 : x
  2. Step 2: Convert to fraction form
    57,795.70/80,810.30 = 57,795.70/x
  3. Step 3: Cross multiply
    57,795.70x = 80,810.30 × 57,795.70
  4. Step 4: Simplify right side
    57,795.70x = 4,670,487,855.71
  5. Step 5: Solve for x
    x = 4,670,487,855.71/57,795.70
  6. Step 6: Final answer
    x = 80,810.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.