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Finding the Fourth Proportional to 86,533.65, 129,800.48 and 36,600.80

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Solution

The fourth proportional to 86,533.65, 129,800.48 and 36,600.80 is: 54,901.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,533.65 : 129,800.48 = 36,600.80 : x
  2. Step 2: Convert to fraction form
    86,533.65/129,800.48 = 36,600.80/x
  3. Step 3: Cross multiply
    86,533.65x = 129,800.48 × 36,600.80
  4. Step 4: Simplify right side
    86,533.65x = 4,750,800,576.38
  5. Step 5: Solve for x
    x = 4,750,800,576.38/86,533.65
  6. Step 6: Final answer
    x = 54,901.19

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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.