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Finding the Fourth Proportional to 86,530.28, 129,795.41 and 36,597.42

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Solution

The fourth proportional to 86,530.28, 129,795.41 and 36,597.42 is: 54,896.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,530.28 : 129,795.41 = 36,597.42 : x
  2. Step 2: Convert to fraction form
    86,530.28/129,795.41 = 36,597.42/x
  3. Step 3: Cross multiply
    86,530.28x = 129,795.41 × 36,597.42
  4. Step 4: Simplify right side
    86,530.28x = 4,750,177,225.34
  5. Step 5: Solve for x
    x = 4,750,177,225.34/86,530.28
  6. Step 6: Final answer
    x = 54,896.13

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Similar ratio
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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.