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Finding the Fourth Proportional to 58,000.80, 86,806.80 and 40,504.80

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Solution

The fourth proportional to 58,000.80, 86,806.80 and 40,504.80 is: 60,621.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,000.80 : 86,806.80 = 40,504.80 : x
  2. Step 2: Convert to fraction form
    58,000.80/86,806.80 = 40,504.80/x
  3. Step 3: Cross multiply
    58,000.80x = 86,806.80 × 40,504.80
  4. Step 4: Simplify right side
    58,000.80x = 3,516,092,072.64
  5. Step 5: Solve for x
    x = 3,516,092,072.64/58,000.80
  6. Step 6: Final answer
    x = 60,621.44

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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.