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Finding the Fourth Proportional to 86,653.26, 129,984.48 and 24,328.62

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Solution

The fourth proportional to 86,653.26, 129,984.48 and 24,328.62 is: 36,494.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,653.26 : 129,984.48 = 24,328.62 : x
  2. Step 2: Convert to fraction form
    86,653.26/129,984.48 = 24,328.62/x
  3. Step 3: Cross multiply
    86,653.26x = 129,984.48 × 24,328.62
  4. Step 4: Simplify right side
    86,653.26x = 3,162,343,019.82
  5. Step 5: Solve for x
    x = 3,162,343,019.82/86,653.26
  6. Step 6: Final answer
    x = 36,494.22

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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.