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Finding the Fourth Proportional to 86,693.81, 130,040.72 and 24,364.31

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Solution

The fourth proportional to 86,693.81, 130,040.72 and 24,364.31 is: 36,546.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,693.81 : 130,040.72 = 24,364.31 : x
  2. Step 2: Convert to fraction form
    86,693.81/130,040.72 = 24,364.31/x
  3. Step 3: Cross multiply
    86,693.81x = 130,040.72 × 24,364.31
  4. Step 4: Simplify right side
    86,693.81x = 3,168,352,800.72
  5. Step 5: Solve for x
    x = 3,168,352,800.72/86,693.81
  6. Step 6: Final answer
    x = 36,546.47

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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.