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Finding the Fourth Proportional to 86,808.12, 130,212.18 and 24,483.48

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Solution

The fourth proportional to 86,808.12, 130,212.18 and 24,483.48 is: 36,725.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,808.12 : 130,212.18 = 24,483.48 : x
  2. Step 2: Convert to fraction form
    86,808.12/130,212.18 = 24,483.48/x
  3. Step 3: Cross multiply
    86,808.12x = 130,212.18 × 24,483.48
  4. Step 4: Simplify right side
    86,808.12x = 3,188,047,304.79
  5. Step 5: Solve for x
    x = 3,188,047,304.79/86,808.12
  6. Step 6: Final answer
    x = 36,725.22

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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.