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Finding the Fourth Proportional to 86,653.60, 129,980.40 and 24,324.10

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Solution

The fourth proportional to 86,653.60, 129,980.40 and 24,324.10 is: 36,486.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,653.60 : 129,980.40 = 24,324.10 : x
  2. Step 2: Convert to fraction form
    86,653.60/129,980.40 = 24,324.10/x
  3. Step 3: Cross multiply
    86,653.60x = 129,980.40 × 24,324.10
  4. Step 4: Simplify right side
    86,653.60x = 3,161,656,247.64
  5. Step 5: Solve for x
    x = 3,161,656,247.64/86,653.60
  6. Step 6: Final answer
    x = 36,486.15

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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.