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Finding the Fourth Proportional to 86,533.54, 129,800.30 and 36,600.67

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Solution

The fourth proportional to 86,533.54, 129,800.30 and 36,600.67 is: 54,901.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,533.54 : 129,800.30 = 36,600.67 : x
  2. Step 2: Convert to fraction form
    86,533.54/129,800.30 = 36,600.67/x
  3. Step 3: Cross multiply
    86,533.54x = 129,800.30 × 36,600.67
  4. Step 4: Simplify right side
    86,533.54x = 4,750,777,763.20
  5. Step 5: Solve for x
    x = 4,750,777,763.20/86,533.54
  6. Step 6: Final answer
    x = 54,901.00

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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.