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Finding the Fourth Proportional to 86,532.53, 129,798.80 and 36,599.67

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Solution

The fourth proportional to 86,532.53, 129,798.80 and 36,599.67 is: 54,899.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,532.53 : 129,798.80 = 36,599.67 : x
  2. Step 2: Convert to fraction form
    86,532.53/129,798.80 = 36,599.67/x
  3. Step 3: Cross multiply
    86,532.53x = 129,798.80 × 36,599.67
  4. Step 4: Simplify right side
    86,532.53x = 4,750,593,063.40
  5. Step 5: Solve for x
    x = 4,750,593,063.40/86,532.53
  6. Step 6: Final answer
    x = 54,899.51

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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.